Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941938 | Method of joining materials | — | 1990-07-17 |
| D306033 | Submersible mixer | Hjalmar Fries | 1990-02-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941938 | Method of joining materials | — | 1990-07-17 |
| D306033 | Submersible mixer | Hjalmar Fries | 1990-02-13 |