Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476074 | Method and apparatus for forming cast-in-place structures | — | 1984-10-09 |
| 4385648 | Woven fabric form element for forming cast-in-place structures | — | 1983-05-31 |
| 4193461 | Means and method for forming and enlarging holes in soil | Bruce A. Lamberton | 1980-03-18 |