Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038406 | Secure two-way submarine communication system | Frederick W. Martin, Dan J. Radecki, Robert W. Cotterman | 1991-08-06 |
| 4995101 | Secure two-way communications with submerged submarines | Frederick W. Martin, Dan J. Radecki, Robert W. Cotterman | 1991-02-19 |
| 4986655 | Apparatus for measuring diffuse attenuation coefficient of sea water | Harold E. Sweeney, Donald A. Leonard | 1991-01-22 |
| 4986656 | Method of remotely measuring diffuse attenuation coefficient of sea water | Harold E. Sweeney, Donald A. Leonard | 1991-01-22 |