Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9327047 | UVC air decontamination system | — | 2016-05-03 |
| 9289527 | UV disinfection system with ballast current monitoring | — | 2016-03-22 |
| 8791441 | Ultraviolet radiation system | — | 2014-07-29 |
| 7449068 | Flame spraying process and apparatus | — | 2008-11-11 |
| 7073974 | Process and apparatus for highway marking | — | 2006-07-11 |
| 7052202 | Process and apparatus for highway marking | — | 2006-05-30 |
| 7043037 | Hearing aid having acoustical feedback protection | — | 2006-05-09 |
| 6969214 | Process and apparatus for highway marking | — | 2005-11-29 |
| 6714654 | Hearing aid operative to cancel sounds propagating through the hearing aid case | — | 2004-03-30 |
| 4866455 | Antenna system for magnetic and resonant circuit detection | — | 1989-09-12 |
| 4779077 | Continuously armed high reliability pulse train processor | — | 1988-10-18 |
| 4751516 | Antenna system for magnetic and resonant circuit detection | — | 1988-06-14 |
| 4720701 | System with enhanced signal detection and discrimination with saturable magnetic marker | — | 1988-01-19 |
| 4567473 | Resonant tag and deactivator for use in an electronic security system | — | 1986-01-28 |
| 4498076 | Resonant tag and deactivator for use in an electronic security system | — | 1985-02-05 |
| 4260990 | Asymmetrical antennas for use in electronic security systems | — | 1981-04-07 |
| 4251808 | Shielded balanced loop antennas for electronic security systems | — | 1981-02-17 |
| 4243980 | Antenna system for electronic security installations | — | 1981-01-06 |