Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389104 | Microfilm cassette and the projection apparatus for the viewing of same | — | 1983-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389104 | Microfilm cassette and the projection apparatus for the viewing of same | — | 1983-06-21 |