Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5029302 | Fail safe gas tube | Mohammad Masghati | 1991-07-02 |
| 4596439 | Transient voltage protector | William E. Ruehl, Richard H. Heidorn | 1986-06-24 |
| 4592117 | Drop wire clamp | William E. Ruehl, John N. Schavilje | 1986-06-03 |
| 4588240 | Bridging clip | William E. Ruehl | 1986-05-13 |
| 4572717 | Tension indicating washer improvements | Jerold M. Forsberg | 1986-02-25 |
| 4554609 | Transient voltage protector | William E. Ruehl, Richard H. Heidorn | 1985-11-19 |
| 4506459 | Fastener assembly for thermal insulation end panel for a paper machine dryer cylinder | — | 1985-03-26 |