Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658519 | Reinforced plastic piling and method and apparatus for making same | Frank A. March, John H. Menge | 1997-08-19 |
| 5650224 | Elongated structural member and method and appartus for making same | Frank A. March, Robert B. Taylor, John H. Menge, Thomas M. Pontiff | 1997-07-22 |