Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961657 | Submarine launched expendable radio navigation buoy system | Steven J. Cowen, Jimmy L. Held, Gerald R. Mackelburg, Donald M. Rosencrantz, Aaron R. Braun +1 more | 2005-11-01 |
| 4448569 | Lift sling emplacement device | Donald J. Hackman, Don W. Caudy, Carl S. Albro | 1984-05-15 |
| 4396095 | Lift line tension limiter | James M. Walton, Jimmy L. Held | 1983-08-02 |
| 4315651 | Coupling for quick attachment to plate-like structure | Donald L. Endicott, Jr., James M. Walton | 1982-02-16 |