Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882891 | Anchoring and foundation support apparatus having moment resisting vanes and method | James S. Collins, Victor Yates | 1989-11-28 |
| 4843785 | Anchoring and foundation support apparatus and method | James S. Collins, Victor Yates | 1989-07-04 |