Simmers; Douglas Evan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Simmers; Douglas Evan.The latest application filed is for "tracking device with weathervaning wind stowage mode of operation".
- Simmers; Douglas Evan - Massillon OH
| Patent | Date |
|---|---|
| Tracking device with weathervaning wind stowage mode of operation Grant 8,210,162 - Simmers July 3, 2 | 2012-07-03 |
| Tracking Device With Weathervaning Wind Stowage Mode of Operation App 20100275901 - Simmers; Douglas Evan | 2010-11-04 |
| Stretched Membrane Device App 20080137221 - Simmers; Douglas Evan | 2008-06-12 |
| Stretched membrane device Grant 7,374,301 - Simmers May 20, 2 | 2008-05-20 |
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