Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7149150 | Underwater surveillance system | John J. Holmes, Edward C. O'Keefe, Robert A. Wingo | 2006-12-12 |
| 7139223 | Deep water surveillance system | John J. Holmes, Edward C. O'Keefe, Robert A. Wingo | 2006-11-21 |
| 6798632 | Power frequency electromagnetic field compensation system | John J. Holmes | 2004-09-28 |
| 6765487 | Underwater detection and deterrent system | John J. Holmes | 2004-07-20 |
| 6714008 | Gradiometric measurement methodology for determining magnetic fields of large objects | John J. Holmes, Bruce Hood | 2004-03-30 |
| 6456069 | Fluxgate magnetic field sensor incorporating ferromagnetic test material into its magnetic circuitry | John J. Holmes, Edward C. O'Keefe | 2002-09-24 |
| 6417665 | Spatially integrating fluxgate manetometer having a flexible magnetic core | John J. Holmes, Edward C. O'Keefe | 2002-07-09 |
| 6344743 | Standing wave magnetometer | John J. Holmes | 2002-02-05 |
| 6278272 | Integrating fluxgate magnetometer | John J. Holmes, Edward C. O'Keefe | 2001-08-21 |
| 6208268 | Vehicle presence, speed and length detecting system and roadway installed detector therefor | Daniel S. Lenko, Adam C. Feaga | 2001-03-27 |
| 5886661 | Submerged object detection and classification system | Richard W. Harrison | 1999-03-23 |
| 5598152 | Mine sweeping system for magnetic and non-magnetic mines | Peter B. Keller, Richard W. Harrison | 1997-01-28 |
| 5440232 | System for monitoring and analyzing field energy exposure | Adam C. Feaga, Daniel S. Lenko | 1995-08-08 |
| 5038103 | Optical fiber magnetometer | Jack Finkel | 1991-08-06 |
| 4323900 | Omnidirectional microstrip antenna | Albert D. Krall, John W. McCorkle, Albert M. Syeles | 1982-04-06 |
| 4302746 | Self-powered vehicle detection system | Daniel S. Lenko, Albert D. Krall, Wayne R. Grine, Robert E. Brown, George Usher +2 more | 1981-11-24 |