Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759511 | Apparatus for feeding the free end of a microfilm to a takeup reel and for winding the microfilm thereon | Friedhelm Kuhlmann | 1988-07-26 |
| 4732342 | Drive assembly for microfilm cartridges | — | 1988-03-22 |