Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848798 | Emergency lighting unit/exit sign combination | Mark Campbell Logan, Edwin Lewis Hull | 2005-02-01 |
| 6499866 | Emergency lighting unit/exit sign combination | Mark Campbell Logan, Edwin Lewis Hull | 2002-12-31 |
| 6176596 | Combination flashlight an electrical power source assembly and emitter and reflector therefor | Kailash C. Shukla, Edward F. Doyle, Frederick E. Becker, Ann S. Buck, Maurice Nunes | 2001-01-23 |
| 6152581 | Housing frame for illuminated signs having multiple configurations | James Michael Lay | 2000-11-28 |
| 6142648 | Emergency lighting unit/exit sign combination | Mark Campbell Logan, Edwin Lewis Hull | 2000-11-07 |
| 6135624 | Universal mounting plate for luminaire Fixture | James Michael Lay | 2000-10-24 |
| 5988825 | Housing frame for illuminated signs having multiple configurations | James Michael Lay | 1999-11-23 |
| 5797673 | Emergency lighting unit/exit sign combination | Mark Campbell Logan, Edwin Lewis Hull | 1998-08-25 |
| D379373 | Combined exit sign and emergency lamp device | Mark Campbell Logan, David T. Garza, Edwin Lewis Hull | 1997-05-20 |
| 5526251 | Emergency lighting connections | Gary Stephen Andre, Stephen T. Smith | 1996-06-11 |