Patent US 4561281A
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Patent number | US 4561281A (click link for details and documents via Google Patents) |
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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 |