Patent US 3878731A
| Patent number | US 3878731A (click link for details and documents via Google Patents) |
|---|---|
| Title | Shaft-operating means |
| Inventors | Al Huegli |
| Company | Tektronix Inc |
| Filing date | 1973-12-17 |
| Grant date | 1975-04-22 |
| Patent number | US 3878731A (click link for details and documents via Google Patents) |
|---|---|
| Title | Shaft-operating means |
| Inventors | Al Huegli |
| Company | Tektronix Inc |
| Filing date | 1973-12-17 |
| Grant date | 1975-04-22 |