Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8380132 | Self-structuring antenna with addressable switch controller | — | 2013-02-19 |
| 7558555 | Self-structuring subsystems for glass antenna | — | 2009-07-07 |
| 7190325 | Dynamic frequency selective surfaces | — | 2007-03-13 |
| 6989676 | Apparatus and method for sensing particle and water concentrations in a medium | — | 2006-01-24 |
| 6950629 | Self-structuring antenna system with memory | — | 2005-09-27 |
| 6911830 | Diesel engine lubricating oil contaminant sensor method | Joseph P. Heremans, Su-Chee Simon Wang, Thaddeus Schroeder | 2005-06-28 |
| 6891383 | Soot detector for engine oil | Warren Baxter Nicholson | 2005-05-10 |
| 6788072 | Apparatus and method for sensing particle accumulation in a medium | Warren Baxter Nicholson | 2004-09-07 |
| 6714771 | Broadcast radio signal seek circuit | Douglas Courtney Martin, Anthony E Kaczor, Janalee Ann Graham | 2004-03-30 |
| 6317090 | AM/FM solar-ray antenna with mirror wiring grounding strap | Douglas Courtney Martin | 2001-11-13 |
| 6266023 | Automotive radio frequency antenna system | Douglas Courtney Martin, Michael Jerome Lewis | 2001-07-24 |
| 6211831 | Capacitive grounding system for VHF and UHF antennas | Douglas Courtney Martin, Michael Jerome Lewis | 2001-04-03 |
| 6191746 | FM diversity feed system for the solar-ray antenna | — | 2001-02-20 |
| 6163303 | AM upper/FM defogger grid active backlite antenna | — | 2000-12-19 |
| 6147654 | AM defogger grounding system for vehicle window antennas | — | 2000-11-14 |
| 6118410 | Automobile roof antenna shelf | — | 2000-09-12 |
| 6031500 | Broadband FM vehicle rear window antenna not requiring a boost amplifier | Janalee Ann Graham | 2000-02-29 |
| 6020855 | Transparent vehicle window antenna with capacitive connection apparatus | Douglas Courtney Martin, Michael Jerome Lewis | 2000-02-01 |
| 5986612 | Vehicle window antenna | — | 1999-11-16 |
| 5739794 | Vehicle window antenna with parasitic slot transmission line | Douglas Courtney Martin | 1998-04-14 |
| 5648785 | Vehicle window with antenna connection apparatus | Douglas Courtney Martin, Michael Jerome Lewis | 1997-07-15 |
| 5528314 | Transparent vehicle window antenna | Mark Bellinger, Douglas Courtney Martin | 1996-06-18 |
| 5083135 | Transparent film antenna for a vehicle window | Frank Shum, Jimmy L. Funke | 1992-01-21 |
| 4866453 | Vehicle slot antenna with parasitic slot | Jimmy L. Funke | 1989-09-12 |
| 4769655 | Vehicle slot antenna with passive ground element | Jimmy L. Funke | 1988-09-06 |