Inventor
William A. Abell, Jr.
Inventor
Wilmore, KY, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters60%
G06FElectric digital data processing20%
H01HElectric switches20%
PatentTitleYear
D0362434'Adjustable keyboard for a personal computer'19955,268,816'Movable display screen for a computer'19935,003,140'Long keybutton stabilizer'19914,402,621'Ribbon cartridge with ribbon guide arms'19834,022,312'Semi-automatic centering control'19773,981,386'Non return to home rack shift selection mechanism for a single element printer'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1991Patents assigned to IBM (4)· patent assignee history
1976–1977Based in Lexington, KY, US· patent location history
1983–1995Based in Wilmore, KY, US· patent location history
1993–1995Patents assigned to LEXMARK INT INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 4 | 1976–1991 |
| LEXMARK INT INC | 2 | 1993–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wilmore, KY, US | 4 | 1983–1995 |
| Lexington, KY, US | 2 | 1976–1977 |