Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6270057 | Reuseable multi-story building construction guardrail system | Frank M. Highley, Gregory S. Heffner, Patrick V. Vines, David C. Thompson, M. Lyle Gurley, Jr. | 2001-08-07 |