| 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 |