Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495381 | Dynamic load bearing transmission line support member | Daniel D. Bergh | 1985-01-22 |
| 4467387 | Combination strut insulator and lightning arrester | Daniel D. Bergh, Robert Koch | 1984-08-21 |