Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566618 | Paper feed tractor with compensating pulley assembly utilizing cantable insert | Karl Seitz | 1986-01-28 |
| 4469263 | Paper feed tractor with compensating drive pulley | — | 1984-09-04 |
| 4465387 | Daisy wheel mounting apparatus | Karl Seitz | 1984-08-14 |
| 4462531 | Paper feed tractor with belt tensioning | — | 1984-07-31 |
| 4391399 | Manually assemblable sheet-feed tractor | — | 1983-07-05 |
| 4315585 | Sheet-feed tractor with eccentric clamping device | — | 1982-02-16 |
| 4194660 | Sheet feed tractor | — | 1980-03-25 |