Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593525 | Articulated overhead door systems and methods | Richard P. Morris, Howard J. Williams | 2017-03-14 |
| 6527467 | Expansion joint | — | 2003-03-04 |
| D459981 | Expansion joint rail | — | 2002-07-09 |
| 5361549 | Pressure relief panels and louvers | — | 1994-11-08 |
| 4714393 | Panel laying machine | — | 1987-12-22 |