Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7821250 | RF sensor clamp assembly | Rodney A. Herman, Duane T. Smith, James D. Spain | 2010-10-26 |
| 7204880 | Rapid setting cement | Philip A. Rodda | 2007-04-17 |
| 5391245 | Fire-resistant building component | — | 1995-02-21 |
| 5048251 | Divided light door | — | 1991-09-17 |
| 4896471 | Fire roof panel door | — | 1990-01-30 |
| 4825615 | Door with light-transmitting panel | — | 1989-05-02 |
| 4756350 | Method of making a door with raised panels | — | 1988-07-12 |
| 4704834 | Raised panel-style door | — | 1987-11-10 |
| 4702054 | Door with raised panels | — | 1987-10-27 |