Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7064664 | Graffiti detection system and method of using the same | Arthur J. Devine, Donald L. Roberts, Randy Johnson | 2006-06-20 |
| 6965312 | Firearm shot helmet detection system and method of use | — | 2005-11-15 |
| 6961002 | Sonic detection system and method of using the same | Arthur J. Devine, Donald L. Roberts | 2005-11-01 |
| 6888455 | Method of detecting firearm shot | — | 2005-05-03 |
| 6600417 | Graffiti detection system and method of using the same | Arthur J. Devine, Donald L. Roberts, Randy Johnson | 2003-07-29 |
| 6288643 | Graffiti detection system and method of using the same | Arthur J. Devine, Donald L. Roberts, Randy Johnson | 2001-09-11 |
| 6281787 | Vehicle tire leak detection system and method of using the same | Arthur J. Devine, Donald L. Roberts, Randy Johnson | 2001-08-28 |
| 6281792 | Firearm shot detection system and method of using the same | Arthur J. Devine, Donald L. Roberts, Randy Johnson | 2001-08-28 |