Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449914 | Grout sealing apparatus for concrete panels, decks, and support beams and methods for their fabrication | Ken Bernard, Nat Smith | 2002-09-17 |
| 6115979 | Grout sealing apparatus for concrete panels, decks, and support beams and methods for their manufacture | Ken Bernard, Nat Smith | 2000-09-12 |
| 5218795 | Concrete panels, concrete decks, parts thereof, and apparatus and methods for their fabrication and use | — | 1993-06-15 |
| 4982538 | Concrete panels, concrete decks, parts thereof, and apparatus and methods for their fabrication and use | — | 1991-01-08 |
| 4706317 | Concrete train paving apparatus and method | — | 1987-11-17 |
| 4660800 | Bridge overhang bracket and hanger | — | 1987-04-28 |