Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977509 | Personal multi-purpose navigational apparatus and method for operation thereof | Gary Pitchford, Steve Pitchford | 1990-12-11 |
| 4390284 | Method and apparatus for wetting powder | John A. Rowell | 1983-06-28 |