Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262516 | Pierced metal tube blanks and methods of making such blanks | Frank J. Weber, Werner Friedrichs | 1981-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262516 | Pierced metal tube blanks and methods of making such blanks | Frank J. Weber, Werner Friedrichs | 1981-04-21 |