Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561400 | Base station protector assembly for surge protection | Richard H. Heidorn | 2009-07-14 |
| 6992874 | Dual stage current limiting surge protector system | — | 2006-01-31 |
| 6795289 | Dual sneak current protector | Brian J. Truesdale, Arif Oguz | 2004-09-21 |
| 6731489 | 5-pin protector | Richard H. Heidorn | 2004-05-04 |
| 6721156 | Primary/secondary wireless protector | — | 2004-04-13 |
| 6134093 | Category 5/25-pair protector | — | 2000-10-17 |
| 6072683 | Miniaturized category 5 protection circuit | — | 2000-06-06 |
| 5841620 | Transmission bandwidth extender/category 5 protector | — | 1998-11-24 |
| 5706160 | Transmission bandwidth extender/category 5 protector | Walter Latuszkin, Dorothy E. Kruglick | 1998-01-06 |
| 5615852 | Cable clip | Richard H. Heidorn | 1997-04-01 |
| 5606489 | Ganged IROB in range out of building protector | Richard H. Heidorn | 1997-02-25 |
| 5546267 | Communication circuit protector | Bjarne Frederiksen | 1996-08-13 |
| 5488535 | Arc suppressor for sidactors | Jack R. Cline | 1996-01-30 |
| 5424901 | Sidactor fail-safe device | Bjarne Frederiksen | 1995-06-13 |
| 5411228 | Cable clip | Joseph E. Morawa, Bjarne Frederiksen, George Z. Lannert | 1995-05-02 |
| 5029302 | Fail safe gas tube | Edwin G. Swick | 1991-07-02 |
| 4555112 | Golf club shafts with matched frequencies of vibration | — | 1985-11-26 |
| 4471961 | Golf club with bulge radius and increased moment of inertia about an inclined axis | Thomas F. Hardman | 1984-09-18 |