Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803105 | Reinforcing sheet for the reinforcement of panel and method of reinforcing panel | John Powers, III | 1989-02-07 |
| 4803108 | Honeycomb reinforcing sheet for the reinforcement of panels and method of reinforcing panels | William E. Leuchten | 1989-02-07 |