Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012873 | Device for forcing a reflective highway post into the ground | — | 1991-05-07 |
| 4848845 | Steerable self-regulating concrete cutting saw | — | 1989-07-18 |
| 4797025 | Device for cutting a receptacle in pavement to receive a reflector | John L. Gray | 1989-01-10 |
| 4748966 | Self-regulating concrete cutting saw | — | 1988-06-07 |
| 4463989 | Device for cutting a receptacle in pavement to receive plowable reflectors | — | 1984-08-07 |