Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273385 | Blind hole integral rivet | Michael A. Hamulak | 1993-12-28 |
| 4996859 | Method and apparatus for roll forming metal | Michael A. Hamulak | 1991-03-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273385 | Blind hole integral rivet | Michael A. Hamulak | 1993-12-28 |
| 4996859 | Method and apparatus for roll forming metal | Michael A. Hamulak | 1991-03-05 |