Patent US 4391461A
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| Patent number | US 4391461A (click link for details and documents via Google Patents) |
|---|---|
| Title | Quarter-turn fastener |
| Inventors | Florian C. Deibele |
| Company | Tektronix Inc |
| Filing date | 1980-10-16 |
| Grant date | 1983-07-05 |