Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252857 | Stacked DCA memory chips | John G Roby, Gustav Schrottke | 1993-10-12 |
| 4307971 | Sideshift erase apparatus and method for impact printers | Thomas M. Paulson | 1981-12-29 |
| 4232975 | Print hammer control | — | 1980-11-11 |
| 4189246 | Variable print-hammer control for on-the-fly-printing | Norman F. Barrow | 1980-02-19 |