Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502612 | Secondary surge arrester with isolating and indicating features | Steven P. Hensley, Alex Demetzensky, Howard E. Swanson | 1996-03-26 |
| 5237482 | High voltage surge arrester with failed surge arrester signaling device | Steven P. Hensley | 1993-08-17 |
| 4549981 | Voltage limiting composition and method of fabricating the same | Tapan K. Gupta, William G. Carlson, Gerald B. Boyette, Andrew S. Sweetana, Jr. | 1985-10-29 |
| 4223366 | Gapless surge arrester | Andrew S. Sweetana, Jr., Tapan K. Gupta, Richard E. Kothmann | 1980-09-16 |