Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7111493 | Combustible gas detection system | Justin D. BALTRUCKI, Andrzej E. Stanek, Edward Demarest, John Koopman, Daniel Rabbett | 2006-09-26 |
| 6940082 | Protective item for firefighter or for emergency rescue worker and opaque to hazardous radiation | William L. Grilliot, Mary I. Grilliot | 2005-09-06 |
| 6427250 | Protective glove | William L. Grilliot, Mary I. Grilliot, Jerry R. Novak | 2002-08-06 |