Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |