Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9784718 | Method and apparatus for detection of structural failure | — | 2017-10-10 |
| 8723673 | Method and apparatus for detection of structure failure | Robert J. Kilgore | 2014-05-13 |
| 7050831 | Through-the-earth communication system | T. Brad Petrus, Robert J. Kilgore | 2006-05-23 |
| 6370396 | Facility-wide communication system and method | T. Brad Petrus, Robert J. Kilgore | 2002-04-09 |
| 5264828 | Personal security alarm system | Melvin K. Fischman, Gregory A. Bertone | 1993-11-23 |
| 4737758 | Personal security and electronic parking system | Melvin K. Fischman | 1988-04-12 |
| 4652857 | Method and apparatus for transmitting wide-bandwidth frequency signals from mines and other power restricted environments | — | 1987-03-24 |
| 4280114 | Discontinuous metal and cermet film resistors and strain gauges | Robert M. Delvecchio | 1981-07-21 |
| 4231011 | Discontinuous metal film resistor and strain gauges | Robert M. Delvecchio | 1980-10-28 |
| 4206002 | Graded band gap multi-junction solar energy cell | Ananta G. Sabnis, Richard A. Butera, K. S. V. L. Narasimhan | 1980-06-03 |