Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420862 | System and method of locating lightning strikes | Stanley O. Starr | 2002-07-16 |
| 5977773 | Non-intrusive impedance-based cable tester | Howard J. Simpson | 1999-11-02 |
| 5894223 | Non-intrusive cable tester | Howard J. Simpson | 1999-04-13 |
| 5734596 | Self-calibrating and remote programmable signal conditioning amplifier system and method | Carl G. Hallberg, Howard J. Simpson, Stephen W. Thayer | 1998-03-31 |
| 5625342 | Plural-wavelength flame detector that discriminates between direct and reflected radiation | Gregory H. Hall, Heidi Barnes, Howard J. Simpson, Harvey S. Smith | 1997-04-29 |
| 5485142 | Remote monitor alarm system | Robert A. Stute, F. Houston Galloway, Robert W. Swindle, Tracy A. Bierman | 1996-01-16 |