| 10876048 |
Beneficiation of hydrocarbons from mineral matrices |
Charles A. Arnold, William E. Hahn |
2020-12-29 |
| 10829707 |
Methods for reduction of pollutants from carbonaceous materials prior to combustion |
Richard L. Sumner, John C. Crelling |
2020-11-10 |
| 10065193 |
Processing of grains and the like |
Charles A. Amold, William E. Hahn, Jeffrey A. Gwirtz, R. Carl Hoseney |
2018-09-04 |
| 8534877 |
Luminaire optical systems |
Kevin F. Leadford, Carl T. Gould |
2013-09-17 |
| 8106598 |
Method and apparatus for assuring compliance with high efficiency lighting standards |
— |
2012-01-31 |
| D567425 |
Luminaire |
— |
2008-04-22 |
| D557345 |
Exit sign |
— |
2007-12-11 |
| 7131747 |
Length adjustment device for illuminated fascia |
— |
2006-11-07 |
| 6550489 |
Recirculating, low pressure hot water parts washing apparatus |
— |
2003-04-22 |
| 6361193 |
Pull-on bifurcated clip for improved reflector trim retention |
Algimantas J. Gabrius |
2002-03-26 |
| D454183 |
Sink-type parts washing apparatus |
Brendan Alan Carey, John A. Richards |
2002-03-05 |
| 5711509 |
Isolation gate and frame assembly |
— |
1998-01-27 |
| 5662414 |
Thermoplastic pan assembly for mounting recessed lighting fixtures in ceilings and the like |
Mark E. Jennings, Greg D. Yates |
1997-09-02 |
| 5060338 |
Wet mop with self-contained wringer |
Enzo Berti |
1991-10-29 |
