Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8682509 | Vehicle monitoring system | Robert H. Luppold, Tom Brotherton, Paul Grabill | 2014-03-25 |
| 4880966 | Tachometer sensor using a lens system to a in sensing the rotational speed of an object | Charles M. Poe, Jr., Jeffrey A. Prsha | 1989-11-14 |