| 7221966 |
Wireless communication systems for masks or helmets |
Joseph Birli, Greg Skillicorn |
2007-05-22 |
| 7089930 |
Wireless heads-up display for a self-contained breathing apparatus |
Jonathan Adams, Joseph Birli, Greg Skillicorn |
2006-08-15 |
| 6823274 |
Apparatus and method for testing remaining capacity of a battery |
Phillip David Zimmerman, David E. Zimmerman |
2004-11-23 |
| 6710314 |
Integral hand-held induction heating tool |
Edward A. Reiss, Adam G. Malofsky, John P. Barber, Robert C. Cravens, II, David R. Pacholok +1 more |
2004-03-23 |
| 6639198 |
Hand held induction tool with energy delivery scheme |
Edward A. Riess, Adam G. Malofsky, John P. Barber, Robert C. Cravens, II |
2003-10-28 |
| 6509555 |
Hand held induction tool |
Edward A. Riess, Adam G. Malofsky, Bernard M. Malofsky, John P. Barber, Robert C. Cravens, II +2 more |
2003-01-21 |
| 6404500 |
Colorimeter apparatus and related process |
David J. Schneider, Johnny Michael Sandlin |
2002-06-11 |
| 5420570 |
Manually actuatable wrist alarm having a high-intensity sonic alarm signal |
Brian J. Leitten, Dennis J. Gallant, Elvin D. Stepp, Kenneth R. Umans |
1995-05-30 |
| 5258746 |
Manually actuatable wrist alarm having a high-intensity sonic alarm signal |
Brian J. Leitten, Dennis J. Gallant, Elvin D. Stepp, Kenneth R. Umans |
1993-11-02 |
| 4618966 |
Frequency shift key modulator |
Elvin D. Stepp |
1986-10-21 |
| 4535461 |
Digital clock bit synchronizer |
Elvin D. Stepp |
1985-08-13 |
| 4449237 |
Audio feedback suppressor |
Elvin D. Stepp |
1984-05-15 |
| 4423381 |
Pulse control circuit |
Elvin D. Stepp |
1983-12-27 |