Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820084 | Device for heat-insulated diving suits for work at great depths under water | — | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820084 | Device for heat-insulated diving suits for work at great depths under water | — | 1989-04-11 |