Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484192 | Moving map display | William R. Seitz, Harry R. Farrah, Lansing B. Evans, Chris J. Walter | 1984-11-20 |
| 4477802 | Address generator for generating addresses to read out data from a memory along angularly disposed parallel lines | Chris J. Walter | 1984-10-16 |
| 4307729 | Optical digitizer for measuring spirometer output | Russell F. Hart, Joan M. Gluth | 1981-12-29 |