Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654825 | Line obstruction marker ball with enhanced daytime and nighttime visibility | — | 1997-08-05 |
| 5361018 | Intermediate voltage cable marker with enhanced conspicuity | — | 1994-11-01 |
| 5199814 | Impact recovery delineation system | Richard O. Clark | 1993-04-06 |
| D334314 | Base for a post | — | 1993-03-30 |
| 5001402 | Illuminated aerial marker | Daniel C. Barnes | 1991-03-19 |