Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748709 | Curtain wall support method and apparatus | Steven S. Sherman, Richard A. Riddell | 2004-06-15 |
| 6745527 | Curtain wall support method and apparatus | Steven S. Sherman, Richard A. Riddell | 2004-06-08 |
| 6725623 | Standing seam metal roof wind uplift prevention bar | Richard A. Riddell, Jason T. Nagaki, Steve S. Sherman | 2004-04-27 |