Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629136 | Demountable two-part reel | — | 1986-12-16 |
| 4604929 | Self-aligning guillotine | — | 1986-08-12 |
| 4393788 | Retractable protective-screens and equipment including them | Bernard F. Campbell | 1983-07-19 |