Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652680 | Method for producing tubes for heavy guns | Walter Grimm | 2003-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652680 | Method for producing tubes for heavy guns | Walter Grimm | 2003-11-25 |