Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272442 | Electrical feed-through bushing cavity insulation detector | Dean J. Schemmel, Augusto D. Hernandez | 1993-12-21 |
| 5140270 | Electrical feed-through bushing cavity insulation detector | Dean J. Schemmel | 1992-08-18 |
| 4656452 | Transformer telephone influence tractor core shunt | Wayne W. Lien | 1987-04-07 |