Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621565 | Rotating head optical transmitter for position measurement system | Timothy Pratt, Scott Casteel, Thomas M. Hedges | 2003-09-16 |
| 6618133 | Low cost transmitter with calibration means for use in position measurement systems | Thomas M. Hedges, Scott Casteel, Thomas J. Cuff, Timothy Pratt, Rick Slater | 2003-09-09 |
| 6519029 | Low cost transmitter with calibration means for use in position measurement systems | Thomas M. Hedges, Scott Casteel, Thomas J. Cuff, Timothy Pratt, Rick Slater | 2003-02-11 |
| 4697733 | Mailbox flag extension device | — | 1987-10-06 |