Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570351 | Book core gauge and positioning guide for casing book cores | Elmer G. Szanto, Lloyd V. Wallace | 1986-02-18 |
| 4520970 | Cartridge tape drive having vacuum auto-threading | Donald O. Rasmussen, William C. Chow | 1985-06-04 |