Hamilton; Michael D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamilton; Michael D..The latest application filed is for "screw conveyors, augers, and flighting for use therein".
- Hamilton; Michael D. - Northwood GB
- Hamilton; Michael D. - Midland TX
- Hamilton; Michael D. - New York NY
| Patent | Date |
|---|---|
| Screw conveyors, augers, and flighting for use therein Grant 9,061,345 - Hamilton June 23, 2 | 2015-06-23 |
| Screw Conveyors, Augers, and Flighting for Use Therein App 20140305262 - Hamilton; Michael D. | 2014-10-16 |
| Drawworks for drilling rigs Grant 7,575,222 - Hamilton August 18, 2 | 2009-08-18 |
| Drawworks for drilling rigs App 20080006805 - Hamilton; Michael D. | 2008-01-10 |
| Out-of-frame detector for motion picture film duplicating equipment Grant 4,188,112 - Hamilton February 12, 1 | 1980-02-12 |
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