Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443986 | Panel construction system | Paul L. Propst, Larry P. Gzym, Ralph Murrel, Donald A. Richardson | 1984-04-24 |
| D272113 | Furniture panel | Robert L. Russell, Paul L. Propst, Donald A. Richardson | 1984-01-10 |
| 4407101 | Base construction for panel | Paul L. Propst, Donald A. Richardson | 1983-10-04 |
| 4372629 | Combination wire enclosure and wire | Paul L. Propst, Donald A. Richardson | 1983-02-08 |