Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D344974 | Auto-radiogram image acquisition scanner | Lloyd Douglas Clark, William T. Davids | 1994-03-08 |
| 4589608 | Cassette loading apparatus | Lee A. Cotterill, Robert Z. Langevin | 1986-05-20 |
| 4512527 | Cassette loading apparatus | Lee A. Cotterill, Robert Z. Langevin | 1985-04-23 |
| 4387843 | Loop bin for magnetic tape recording apparatus | — | 1983-06-14 |