Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7750853 | Partially shorted microstrip antenna | Anthony Cirineo, Marvin L. Ryken | 2010-07-06 |
| 7400299 | Ten inch diameter TM microstrip antenna | Marvin L. Ryken | 2008-07-15 |
| 7355553 | Ten inch diameter microstrip antenna | Marvin L. Ryken | 2008-04-08 |
| 7298332 | Fourteen inch X-band antenna | Marvin L. Ryken | 2007-11-20 |
| 7193567 | TM microstrip antenna with GPS frequency coverage | Marvin L. Ryken | 2007-03-20 |
| 7138949 | GPS microstrip antenna | Marvin L. Ryken | 2006-11-21 |
| 7109929 | TM microstrip antenna | Marvin L. Ryken | 2006-09-19 |
| 7009564 | TM microstrip antenna | Marvin L. Ryken | 2006-03-07 |
| 6967620 | Microstrip antenna having mode suppression slots | Marvin L. Ryken | 2005-11-22 |
| 6946999 | Tuning tabs for a microstrip antenna | Marvin L. Ryken | 2005-09-20 |
| 6943737 | GPS microstrip antenna | Marvin L. Ryken | 2005-09-13 |
| 6940264 | Near field probe | Marvin L. Ryken | 2005-09-06 |
| 6919844 | Reduced size GPS microstrip antenna with a slot | Marvin L. Ryken | 2005-07-19 |
| 6885348 | Test chamber for a low band antenna array | Marvin L. Ryken, Steven J. Renga | 2005-04-26 |
| 6867737 | Reduced size GPS conical shaped microstrip antenna array | Marvin L. Ryken | 2005-03-15 |
| 6859178 | Reduced size TM cylindrical shaped microstrip antenna array | Marvin L. Ryken | 2005-02-22 |
| 6856290 | Reduced size TM cylindrical shaped microstrip antenna array having a GPS band stop filter | Marvin L. Ryken | 2005-02-15 |
| 6842145 | Reduced size GPS microstrip antenna | Marvin L. Ryken | 2005-01-11 |
| 6630907 | Broadband telemetry antenna having an integrated filter | Marvin L. Ryken | 2003-10-07 |
| 6621456 | Multipurpose microstrip antenna for use on missile | Marvin L. Ryken | 2003-09-16 |
| 6618017 | GPS conformal antenna having a parasitic element | Marvin L. Ryken | 2003-09-09 |
| 6549168 | GPS and telemetry microstrip antenna for use on projectiles | Marvin L. Ryken | 2003-04-15 |
| 6466172 | GPS and telemetry antenna for use on projectiles | Marvin L. Ryken, Scott R. Kujiraoka | 2002-10-15 |
| 6014105 | Microstrip antenna having an internal feed | Scott R. Kujiraoka | 2000-01-11 |
| 4801925 | Alarm transmission system and circuit interception switch | — | 1989-01-31 |