Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561232 | Modular tile with positioning means for use with an access floor panel system | Richard J. Johnson, John C. Kidd, Robert A. Younkin | 1985-12-31 |
| 4453365 | Edge trim structure for access floor panel | — | 1984-06-12 |
| 4203268 | Structural member and composite panel including same | Richard J. Johnson, Michael J. Karmazyn, Donald L. Tate | 1980-05-20 |