Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457460 | Wristwatch strap with protective layer that contacts the wrist | Hermann Hirsch | 1984-07-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457460 | Wristwatch strap with protective layer that contacts the wrist | Hermann Hirsch | 1984-07-03 |