Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697302 | Highly directive underwater acoustic receiver | Benjamin A. Cray | 2004-02-24 |
| 4372585 | Sleeve protector for venting pipes | — | 1983-02-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697302 | Highly directive underwater acoustic receiver | Benjamin A. Cray | 2004-02-24 |
| 4372585 | Sleeve protector for venting pipes | — | 1983-02-08 |