Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5484117 | Reel spring for a thin-walled videocassette | — | 1996-01-16 |
| 5332172 | Tapered reel pressure spring | — | 1994-07-26 |
| 5074451 | Plastic tape guide for videocassette | David C. Behr, Bruce L. Nelson | 1991-12-24 |
| 4993661 | Tape cassette with tape leader detection improvements | — | 1991-02-19 |
| 4813628 | Slack limiter for a magnetic tape cassette | — | 1989-03-21 |
| 4745508 | Plastic supply tape guide for videocassette | — | 1988-05-17 |
| 4648563 | Leaf-spring roller guide | — | 1987-03-10 |