William A. Abell Jr.

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Ribbon cartridge with ribbon guide arms
- Patent number 4,402,621
- Issue date Sep 6, 1983
- International Business Machines Corp.
- William A. Abell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Semi-automatic centering control
- Patent number 4,022,312
- Issue date May 10, 1977
- International Business Machines Corporation
- William Albertus Abell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Non return to home rack shift selection mechanism for a single elem...
- Patent number 3,981,386
- Issue date Sep 21, 1976
- International Business Machines Corporation
- William A. Abell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS