Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875588 | Method and apparatus for unloading slide projector trays | — | 1989-10-24 |
| 4693373 | Slide archival storage and retrieval system | William R. Maclay | 1987-09-15 |
| RE32371 | Apparatus for viewing and sorting photographic slide transparencies | — | 1987-03-17 |
| 4385816 | Slide previewer, sorter, and stack loader | — | 1983-05-31 |
| 4338738 | Slide previewer and tray loader | — | 1982-07-13 |
| 4249329 | Apparatus for viewing and sorting photographic slide transparencies | — | 1981-02-10 |