Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857510 | Reinforced sectional door | Foad Vafaie, James L. Grisham, David Scott Boucher | 1999-01-12 |
| 5842508 | Hinge assembly for sectional door | Foad Vafaie, James L. Grisham, David Scott Boucher | 1998-12-01 |
| 5632317 | Roll-up door | Douglas R. Fuller, Dennis A. Kalgren, Anthony J. Shelton | 1997-05-27 |
| 5601133 | Roll-up door | Douglas R. Fuller, Dennis A. Kalgren, Anthony J. Shelton | 1997-02-11 |
| 5348437 | Vehicle restraining apparatus | James L. Grisham, David Scott Boucher | 1994-09-20 |
| 4759452 | Articulated load bearing wear pad assembly | Richard C. Faint | 1988-07-26 |
| 4257201 | Self-centering telescoping beams | Christoph Landolt | 1981-03-24 |