Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5712458 | Door sensor beam | Shan H. McCandless | 1998-01-27 |
| 5377784 | Pass door fire lintel | Stephen Petrovich, Herman Reis | 1995-01-03 |
| 4984658 | Car gate reversing edge | H. E. Peelle, Jr., I-Lin Chang | 1991-01-15 |