Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4496328 | Combined swimming aid and lifesaving device | Otto J. Munz, deceased | 1985-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4496328 | Combined swimming aid and lifesaving device | Otto J. Munz, deceased | 1985-01-29 |