Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277188 | Direct keyboard controlled rack shift device for a single element typewriter | Robert F. McDaniel, Mike Prewarski | 1981-07-07 |
LR
Leonard D. Ramey
Overall (All Time): #4,092,692 of 4,157,543Top 100%
1
Patents All Time