Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241480 | Comb section pair of an expansion comb | Helmut Wiedenfeld | 1980-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241480 | Comb section pair of an expansion comb | Helmut Wiedenfeld | 1980-12-30 |