Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597387 | Deep diving apparatus | by Norma E. Carnegie, executrix | 1986-07-01 |
| 4442835 | Deep diving breathing systems | — | 1984-04-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597387 | Deep diving apparatus | by Norma E. Carnegie, executrix | 1986-07-01 |
| 4442835 | Deep diving breathing systems | — | 1984-04-17 |