Patent US 4561281A
| Patent number | US 4561281A (click link for details and documents via Google Patents) |
|---|---|
| Title | Auxiliary gauging device |
| Inventors | Ry M. Tran, Floyd E. Stevens, Donald L. Turk, Kwang S. Chun |
| Company | Tektronix Inc |
| Filing date | 1984-01-23 |
| Grant date | 1985-12-31 |