Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5579102 | Transmitter and receiver units for spatial position measurement system | Timothy Pratt, Andrew W. Dornbusch, Yvan J. Beliveau, Eric J. Lundberg | 1996-11-26 |
| 5461473 | Transmitter and receiver units for spatial position measurement system | Timothy Pratt, Andrew W. Dornbusch, Yvan J. Beliveau, Eric J. Lundberg | 1995-10-24 |