Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416921 | Vapor lamp assembly technique | Ole K. Nilssen | 2016-08-16 |
| 7467888 | Quick change power supply | — | 2008-12-23 |
| 7445353 | Distributed lighting system | — | 2008-11-04 |
| 7270441 | Luminaire with special ballast | — | 2007-09-18 |
| 7184251 | Power supply with internally limited outputs for use in lighting systems for direct mounting onto a junction box | — | 2007-02-27 |
| 6860617 | Compact luminaire | — | 2005-03-01 |
| 6814462 | Under-cabinet lighting system | — | 2004-11-09 |
| 6508567 | Fire rated cover for luminaires | — | 2003-01-21 |
| 6439736 | Flattenable luminaire | — | 2002-08-27 |
| 6435693 | Lighting assemblies for mounting in suspended ceiling configured to permit more compact shipment and storage | — | 2002-08-20 |
| 6260981 | Luminaires, primarily for suspended ceilings, capable of being nested to reduce shipping and storage volume | — | 2001-07-17 |
| 6218962 | Parking guide for automatic garage door openers | — | 2001-04-17 |
| 5041766 | Power-factor-controlled electronic ballast | Ole K. Nilssen | 1991-08-20 |
| 4972181 | A. C. powered smoke detector with back-up battery supervision circuit | — | 1990-11-20 |
| 4965556 | Combustion products detector having self-actuated periodic testing signal | James Brodecki, William P. Tanguay | 1990-10-23 |