Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002065 | Sealing system for a conditioned door threshold | George F. Balbach, Joseph M. Endter, Steven Spitz | 2021-05-11 |
| 7296608 | Impactable door | Joseph M. Endter | 2007-11-20 |
| 6119307 | Overhead door with a plunger assembly having a wear indicator and improved panel construction | Jeremy Becker, Eric Westfall | 2000-09-19 |
| 5927368 | Overhead door with a panel-carrier frame and replaceable panels | Stephen R. Rohrer | 1999-07-27 |
| 5083600 | Drive mechanism for an industrial door | Joe Delgado | 1992-01-28 |
| 5078197 | Manually operated industrial roll door | — | 1992-01-07 |
| 5048588 | Roll-up door construction | Joe Delgado | 1991-09-17 |
| 4776052 | Vertically stored dockboard | Joe Delgado | 1988-10-11 |
| 4525887 | Counterbalancing mechanism for the ramp of a dockboard | Kjell I. Erlandsson | 1985-07-02 |