Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315690 | Method and associated apparatus for use with an automated sign generator to produce enhanced graphics | Thomas A. Gordon, Barrett C. Gray, Joseph W. Stempien, Ken P. Magnon | 1994-05-24 |
| 4450850 | Crutch for use on an icy surface | — | 1984-05-29 |