Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1058361 | Door swing limiter | Lee Marvin Mangum, Jr., Mitchell Lynn Morley, Paul T. Bridgeman, Sean Alexander Beach | 2025-01-21 |
| 9551184 | Roof climbing tool | Gary Graves | 2017-01-24 |
| 6360407 | Spring steel door hold-open tool | Brian W Kao, James Carter, Brian A Hicks | 2002-03-26 |
| 4970508 | System for monitoring switch locations | — | 1990-11-13 |
| 4671012 | Security barrier | William E. Merklinger, Raymond Kampus | 1987-06-09 |