Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056348 | Method of making a profiled sheet metal building unit | Charles R. Gray | 1991-10-15 |
| 4962622 | Profiled sheet metal building unit and method for making the same | Charles R. Gray | 1990-10-16 |
| 4850162 | Access floor system | — | 1989-07-25 |
| 4656795 | Floor panel for elevated floor assembly | Rodney W. Gartner, John O. Hazen, Robert G. Lindner | 1987-04-14 |
| 4603523 | Underfloor access housing | Paul Haskins | 1986-08-05 |
| 4558544 | Adjustable pedestal for elevated floors | Robert G. Lindner | 1985-12-17 |
| 4465897 | Three-service wire distributing unit and outlet means therefor | — | 1984-08-14 |