Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345403 | Method of bridge construction using concrete diaphragms | — | 2002-02-12 |
| 5806262 | Post and method of emplacing a post | — | 1998-09-15 |
| 5651635 | Concrete barrier with reinforcement | — | 1997-07-29 |
| 5628582 | Concrete barrier erection and alignment system | — | 1997-05-13 |
| 4604841 | Continuous, precast, prestressed concrete bridge deck panel forms, precast parapets, and method of construction | Robert M. Barnoff | 1986-08-12 |