| 6662103 |
Method and system for creating a user-selectable arbitrary coordinate frame |
Jeffrey F. Skolnick, Edward Barrientos, Sean Beliveau, Thomas M. Hedges, Edmund S. Pendleton +1 more |
2003-12-09 |
| 6545751 |
Low cost 2D position measurement system and method |
Sean Beliveau, Edward Barrientos, Yvan J. Beliveau, Thomas M. Hedges, Edmund S. Pendleton +3 more |
2003-04-08 |
| 5579102 |
Transmitter and receiver units for spatial position measurement system |
Timothy Pratt, Andrew W. Dornbusch, Yvan J. Beliveau, Michael H. Sweeney |
1996-11-26 |
| 5461473 |
Transmitter and receiver units for spatial position measurement system |
Timothy Pratt, Andrew W. Dornbusch, Yvan J. Beliveau, Michael H. Sweeney |
1995-10-24 |
| 5294970 |
Spatial positioning system |
Andrew W. Dornbusch, Yvan J. Beliveau, Timothy Pratt |
1994-03-15 |
| 5247487 |
Spatial measurement recovery system |
Yvan J. Beliveau, Andrew W. Dornbusch, Timothy Pratt |
1993-09-21 |
| 5110202 |
Spatial positioning and measurement system |
Andrew W. Dornbusch, Yvan J. Beliveau, Timothy Pratt |
1992-05-05 |
| 5100229 |
Spatial positioning system |
Yvan J. Beliveau, Timothy Pratt |
1992-03-31 |