Douglas; Alec T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Douglas; Alec T..The latest application filed is for "digitally compensated hydraulic scale system".
- Douglas; Alec T. - St. Johnsbury VT
| Patent | Date |
|---|---|
| Digitally compensated hydraulic scale system Grant 5,606,516 - Douglas , et al. February 25, 1 | 1997-02-25 |
| Modular checkweigher and grading system Grant 5,304,745 - Rusk , et al. April 19, 1 | 1994-04-19 |
| Mechanical scale conversion system Grant 5,207,284 - Douglas , et al. May 4, 1 | 1993-05-04 |
| Modular electronic measuring and printing unit Grant 4,471,442 - Douglas , et al. September 11, 1 | 1984-09-11 |
| Electronic Measuring System Grant 3,728,626 - Douglas , et al. April 17, 1 | 1973-04-17 |
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