Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7167007 | Apparatus and method for field testing MOV arresters | Larry T. Coffeen | 2007-01-23 |
| 7061253 | Apparatus and method for field testing polymer insulators | Larry T. Coffeen | 2006-06-13 |