Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11685021 | Trapdoor clamp | — | 2023-06-27 |
| 4287564 | Method of correcting for misalignment of microfiche frames | William R. Swift, James M. Marsh | 1981-09-01 |
| 4283136 | Microfiche reader printer having multi-format capabilities | William R. Swift, James M. Marsh | 1981-08-11 |