Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842938 | Metal reinforcing patch and method for reinforcing metal | Sidky D. Rizk, Navinchandra B. Shah | 1989-06-27 |
| 4803105 | Reinforcing sheet for the reinforcement of panel and method of reinforcing panel | Robert P. Kretow | 1989-02-07 |