Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5704663 | Self-tightening side lock for a roll-up door | — | 1998-01-06 |
| 5022691 | Side lock for a roll-up door | — | 1991-06-11 |
| 4991639 | Guard members for preventing shifting cargo from intefering with the operation of a roll-up door | Donald J. Whiting, JR. | 1991-02-12 |
| 4957301 | Non-crushable side seal members for a roll-up door | Donald J. Whiting, JR. | 1990-09-18 |
| 4930561 | Roll-up door joint construction | — | 1990-06-05 |
| 4771816 | Plastic hinged and weatherstripped metal overhead door | — | 1988-09-20 |