Hammond; Douglas S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hammond; Douglas S..The latest application filed is for "suspended luminaire".
- Hammond; Douglas S. - Newark OH
- Hammond; Douglas S. - Vicksburg MS
| Patent | Date |
|---|---|
| Suspended luminaire Grant D553,787 - Hammond October 23, 2 | 2007-10-23 |
| Street lamp Grant D423,707 - Hammond April 25, 2 | 2000-04-25 |
| Outdoor roadway lighting fixture Grant D348,945 - Mehaffey , et al. July 19, 1 | 1994-07-19 |
| Outdoor roadway lighting fixture Grant D348,531 - Mehaffey , et al. July 5, 1 | 1994-07-05 |
| Outdoor roadway lighting fixture Grant D347,080 - Mehaffey , et al. May 17, 1 | 1994-05-17 |
| Internally illuminated sign Grant 5,188,453 - Subisak , et al. February 23, 1 | 1993-02-23 |
| Lighting system for illuminating billboards and the like Grant 4,954,935 - Hammond , et al. September 4, 1 | 1990-09-04 |
| Luminaire Grant D300,670 - Ewing , et al. * April 11, 1 | 1989-04-11 |
| Luminaire Grant D300,671 - Ewing , et al. * April 11, 1 | 1989-04-11 |
| Reflector for illuminating signs Grant 4,575,783 - Hammond March 11, 1 | 1986-03-11 |
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