Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5443164 | Plastic container sorting system and method | Casey Walsh, Philip L. Hoffman, H. Parks Squyres | 1995-08-22 |
| 5419438 | Apparatus and method for sorting post-consumer articles according to PVC content | H. Parks Squyres | 1995-05-30 |
| 5402019 | Phase startable clock device | Arthur J. Metz, Walter D. Fields | 1995-03-28 |