| 6377887 |
Caching for pathfinding computation |
Richard F. Poppen, Rodney Jude Fernandez |
2002-04-23 |
| 5978730 |
Caching for pathfinding computation |
Richard F. Poppen, Rodney Jude Fernandez |
1999-11-02 |
| 4786792 |
Transmissively read quad density optical data system |
Gerald A. Pierce |
1988-11-22 |
| 4734565 |
Read-only optical card and system |
Gerald A. Pierce |
1988-03-29 |
| 4686642 |
Method and apparatus for generating a stroke on a display |
Alan C. Phillips, Stanley K. Honey |
1987-08-11 |
| 4634850 |
Quad density optical data system |
Gerald A. Pierce |
1987-01-06 |
| 4598393 |
Three-beam optical servo tracking system with two-track parallel readout |
Gerald A. Pierce, Norman A. Peppers, Warren J. Vinzant |
1986-07-01 |
| 4588882 |
Skew detection system for optically read data |
— |
1986-05-13 |
| 4484477 |
Variable delay memory system |
— |
1984-11-27 |
| 4471785 |
Ultrasonic imaging system with correction for velocity inhomogeneity and multipath interference using an ultrasonic imaging array |
David A. Wilson, Philip S. Green, Donald J. Burch, John F. Holzemer, S. David Ramsey, Jr. |
1984-09-18 |
| 4446740 |
Frequency controlled hybrid ultrasonic imaging arrays |
David A. Wilson, Philip S. Green |
1984-05-08 |
| 4442713 |
Frequency varied ultrasonic imaging array |
David A. Wilson |
1984-04-17 |
| 4406985 |
Power cable fault finding apparatus and method |
Alan C. Phillips |
1983-09-27 |