Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058688 | Convertible vibratory or rotary core drill apparatus | Hugh Scott | 1991-10-22 |
| 5004055 | Vibratory core drill apparatus for the recovery of soil or sediment core samples | Hugh Scott | 1991-04-02 |