Patent US 5117374A
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| Patent number | US 5117374A (click link for details and documents via Google Patents) |
|---|---|
| Title | Reciprocating-element position encoder |
| Inventors | Howard V. Goetz |
| Company | Tektronix Inc |
| Filing date | 1989-10-10 |
| Grant date | 1992-05-26 |