Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4520668 | Manometric instrument for underwater diving | — | 1985-06-04 |
| 4494407 | Depthometer for underwater diving | — | 1985-01-22 |
| 4491015 | Combined instrument system for divers | — | 1985-01-01 |
| 4466285 | Underwater instrument for the combined reading of immersion time and depth, and decompression time | — | 1984-08-21 |