Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263931 | Active and passive sail for improved communication networking at sea | Corey Bergsrud, Katherine Grace Pfeiffer, Edward Zipperle | 2025-04-01 |
| 11970260 | Active and passive sail for improved communication networking at sea | Corey Bergsrud, Katherine Grace Pfeiffer, Edward Zipperle | 2024-04-30 |
| 7146187 | Portable communication device used as an accessory for a portable two-way radio | Jerry L. Sandvos, Bruce A. Claxton, Charles Jackson, Robert J. McCall, Charles Burton Swope +4 more | 2006-12-05 |
| 7025888 | Floating decanter | James E. Thompson, Jeffrey S. Devine | 2006-04-11 |
| 5588179 | Dust box emptying device | Douglas A. Bargiel, Jack L. Burgoon | 1996-12-31 |