Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10709266 | Refrigerator display case | Arden L. Borgen, Paul Borgen Harbor, Almir Besic | 2020-07-14 |
| 8638181 | Wideband balun using re-entrant coupled lines and ferrite material | Carl Gerst | 2014-01-28 |
| 7061315 | Auxiliary amplifier network | — | 2006-06-13 |
| 6784852 | Multiport serial feed device | — | 2004-08-31 |
| 6784851 | Quadrifilar antenna serial feed | — | 2004-08-31 |
| 6650200 | Dynamic combiner/splitter for RF signal systems | Brian E. Culliton | 2003-11-18 |
| 6294965 | Stripline balun | Hans Peter Ostergaard | 2001-09-25 |
| 6292070 | Balun formed from symmetrical couplers and method for making same | — | 2001-09-18 |
| 4852878 | Toy blocks for multiple puzzles and games of varying skill levels | — | 1989-08-01 |