Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6113265 | C-arm apparatus with improved C-arm locking mechanism | — | 2000-09-05 |
| 5442449 | Portable copier and method of using a portable copier | Denis J. Stemmle | 1995-08-15 |
| D357696 | Ribbon cartridge | Allen J. Lucas, Denis J. Stemmle | 1995-04-25 |
| 5326143 | Refuse collecting device | — | 1994-07-05 |
| 5066150 | Low cost quiet impact printer | Johannes F. Gottwald, Dennis W. Gruber, James F. Kearney, William J. Mayer, Alf Olsen | 1991-11-19 |
| 5011309 | Ribbon drive for low cost quiet impact printer | Alf Olsen | 1991-04-30 |
| 4810114 | Print wheel with self-contained means for print wheel alignment | — | 1989-03-07 |
| 4507001 | Print wheel mounting | — | 1985-03-26 |
| 4338034 | Print wheel positioning means | — | 1982-07-06 |