Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669638 | Fastening device | Glenn Eric Anderson, Alan Mazurowski | 1997-09-23 |
| 4746151 | Half-turn industrial fastener | Frederick J. Pufpaff | 1988-05-24 |
| 4727629 | Fastener which rotates and clamps | Frederick J. Pufpaff | 1988-03-01 |
| 4657462 | Quarter-turn fastener | — | 1987-04-14 |
| 4522436 | Spring-loaded toggle latch | Frederick J. Pufpaff | 1985-06-11 |
| RE31106 | Quarter turn industrial fastener | Frederick J. Pufpaff | 1982-12-21 |
| 4331413 | Quarter turn plug fastener | — | 1982-05-25 |
| 4232890 | Fastener with camming handle | — | 1980-11-11 |
| 4213230 | Rotatable locking fastener | — | 1980-07-22 |
| 4212560 | Quarter turn industrial fastener | Frederick J. Pufpaff | 1980-07-15 |