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IMM Artists and Inventors Database

An interactive catalogue of African American inventions, 1865–1939, from which IMM artists select an invention to research and reinterpret.

An interactive catalogue of African American inventions, 1865–1939, from which IMM artists select an invention to research and reinterpret.

IMM Artists and Inventors Database

Patent drawing for Automatic Piano by Joseph H. Dickinson, U.S. Patent 1,734,717, granted 1929-11-05.

Joseph H. Dickinson

Automatic Piano

1922-12-22

Distinct invention claim — no explicit improvement wording

Patent drawing for Manicuring Device by Sylvester S. Jones, U.S. Patent 1,742,862, granted 1930-01-07.

Sylvester S. Jones

Manicuring Device

1928-10-27

Distinct invention claim — no explicit improvement wording

Patent drawing for Differential Vacuum Pump by David N. Crosthwait, Jr., U.S. Patent 1,755,430, granted 1930-04-22.

David N. Crosthwait, Jr.

Differential Vacuum Pump

1927-08-01

Distinct invention claim — no explicit improvement wording

Patent drawing for Hydraulic Jack by Charles M. Banks, U.S. Patent 1,758,640, granted 1930-05-13.

Charles M. Banks

Hydraulic Jack

1928-11-03

Distinct invention claim — no explicit improvement wording

Patent drawing for Jack by Charles M. Banks, U.S. Patent 1,774,693, granted 1930-09-02.

Charles M. Banks

Jack

1928-05-02

Distinct invention claim — no explicit improvement wording

Patent drawing for Locomotive Headlight by William N. Cobbs, U.S. Patent 1,780,865, granted 1930-11-04.

William N. Cobbs

Locomotive Headlight

1928-12-22

Distinct invention claim — no explicit improvement wording

Patent drawing for Head Lamp Rim Remover by Eugene Burkins, U.S. Patent 1,788,507, granted 1931-01-13.

Eugene Burkins

Head Lamp Rim Remover

1930-05-05

Distinct invention claim — no explicit improvement wording

Patent drawing for Apparatus for Testing Magnetizable Objects by Elmer S. Imes, U.S. Patent 1,800,676, granted 1931-04-14.

Elmer S. Imes

Apparatus for Testing Magnetizable Objects

1923-10-20

Distinct invention claim — no explicit improvement wording

Patent drawing for Method of and Apparatus for Testing Magnetizable Objects by Elmer S. Imes, U.S. Patent 1,807,411, granted 1931-05-26.

Elmer S. Imes

Method of and Apparatus for Testing Magnetizable Objects

1925-06-04

Distinct invention claim — no explicit improvement wording

Patent drawing for Music Roll Magazine by Joseph H. Dickinson, U.S. Patent 1,808,808, granted 1931-06-09.

Joseph H. Dickinson

Music Roll Magazine

1928-10-15

Distinct invention claim — no explicit improvement wording

Patent drawing for Safety Airplane by Margaret Cheetham, U.S. Patent 1,814,829, granted 1931-07-14.

Margaret Cheetham

Safety Airplane

1929-10-14

Distinct invention claim — no explicit improvement wording

Patent drawing for Method of Making Silicon Iron by James A. Parsons, Jr., U.S. Patent 1,819,479, granted 1931-08-18.

James A. Parsons, Jr.

Method of Making Silicon Iron

1930-01-23

Distinct invention claim — no explicit improvement wording

Patent drawing for Locking Device for Skidding Carriages by Joseph H. Dickinson, U.S. Patent 1,742,498, granted 1930-01-07.

Joseph H. Dickinson

Locking Device for Skidding Carriages

1927-05-06

Distinct invention claim — no explicit improvement wording

Patent drawing for Airplane Appliance by Richard E. S. Toomey, U.S. Patent 1,749,858, granted 1930-03-11.

Richard E. S. Toomey

Airplane Appliance

1928-04-24

Distinct invention claim — no explicit improvement wording

Patent drawing for Skidding Carriage by Joseph H. Dickinson, U.S. Patent 1,756,732, granted 1930-04-29.

Joseph H. Dickinson

Skidding Carriage

1927-05-06

Distinct invention claim — no explicit improvement wording

Patent drawing for Electrical Hair Treating Implement by Solomon Harper, U.S. Patent 1,772,002, granted 1930-08-05.

Solomon Harper

Electrical Hair Treating Implement

1927-12-23

Distinct invention claim — no explicit improvement wording

Patent drawing for Carburetor by Orville Z. Frazier, U.S. Patent 1,778,215, granted 1930-10-14.

Orville Z. Frazier

Carburetor

1925-08-10

Distinct invention claim — no explicit improvement wording

Patent drawing for Expression Device for Automatic Pianos by Joseph H. Dickinson, U.S. Patent 1,782,061, granted 1930-11-18.

Joseph H. Dickinson

Expression Device for Automatic Pianos

1927-05-17

Distinct invention claim — no explicit improvement wording

Patent drawing for Steam Trap by David N. Crosthwait, Jr., U.S. Patent 1,797,258, granted 1931-03-24.

David N. Crosthwait, Jr.

Steam Trap

1927-12-30

Distinct invention claim — no explicit improvement wording

Patent drawing for Cuff for Trousers by Louis W. Freeman, U.S. Patent 1,805,577, granted 1931-05-19.

Louis W. Freeman

Cuff for Trousers

1930-05-28

Distinct invention claim — no explicit improvement wording

Patent drawing for Carburetor by Orville Z. Frazier, U.S. Patent 1,808,537, granted 1931-06-02.

Orville Z. Frazier

Carburetor

1926-04-17

Distinct invention claim — no explicit improvement wording

Patent drawing for Lockout for Outgoing Calls for Telephone Systems by Charles V. Richey, U.S. Patent 1,812,984, granted 1931-07-07.

Charles V. Richey

Lockout for Outgoing Calls for Telephone Systems

1930-05-22

Distinct invention claim — no explicit improvement wording

Patent drawing for Electrical Resistance Composition by Elmer S. Imes, U.S. Patent 1,818,184, granted 1931-08-11.

Elmer S. Imes

Electrical Resistance Composition

1929-06-14

Distinct invention claim — no explicit improvement wording

Patent drawing for Semi-buoyant Aircraft by George A. Jenkins, U.S. Patent 1,821,061, granted 1931-09-01.

George A. Jenkins

Semi-buoyant Aircraft

1930-03-29

Distinct invention claim — no explicit improvement wording

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