Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404714 | System and method for safety management in roll-up doors | — | 2025-09-02 |
| 11804114 | Safety system and method for overhead roll-up doors | — | 2023-10-31 |
| 11346141 | Safety system and method for overhead roll-up doors | — | 2022-05-31 |
| 11236540 | System and method for safety management in roll-up doors | — | 2022-02-01 |
| 10619397 | System and method for safety management in roll-up doors | — | 2020-04-14 |
| 8316915 | High speed door assembly | Brian Norbert Drifka, Arno Klein, John Sonn, Donald P. Grasso, Walenty Kalempa | 2012-11-27 |
| 6427382 | Dual safety-edge for an overhead door | Jeffrey Konetzki, Joe Delgado | 2002-08-06 |
| 6286257 | Overhead door with dual safety-edge | Jeffrey Konetzki | 2001-09-11 |