Druffel; James B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Druffel; James B..The latest application filed is for "recessed lighting fixture and method of installing".
- Druffel; James B. - Solvang CA
- Druffel; James B. - Rosendale NY
- Druffel; James B. - Oakland CA
| Patent | Date |
|---|---|
| Recessed lighting fixture and method of installing Grant 5,778,625 - Druffel , et al. July 14, 1 | 1998-07-14 |
| Compact fluorescent lamp fixture Grant 4,947,297 - Druffel , et al. August 7, 1 | 1990-08-07 |
| Fastening device for fixing a body to a structural member Grant 4,577,824 - Druffel , et al. March 25, 1 | 1986-03-25 |
| Recessed lighting housing Grant 4,566,057 - Druffel January 21, 1 | 1986-01-21 |
| Hangar device for a recessed lighting unit Grant 4,511,113 - Druffel , et al. April 16, 1 | 1985-04-16 |
| Retainer for a lamp Grant 4,399,497 - Druffel August 16, 1 | 1983-08-16 |
| Recessed lighting unit Grant 4,388,677 - Druffel June 14, 1 | 1983-06-14 |
| Wireway Grant 4,358,635 - Druffel November 9, 1 | 1982-11-09 |
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