Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849581 | Adjustable joint for electrical busway | David A. Hibbert, Julie A. Beberman, Clarence W. Walker | 1989-07-18 |
| 4842533 | Thermally efficient splice joint for electrical distribution busway | Julie A. Beberman, Ira B. Goldman, David A. Hibbert | 1989-06-27 |
| 4804804 | Thermally efficient power busway housing | David A. Hibbert, Anthony L. Richards, Dennis Zuffelato, Conrad R. Turmelle | 1989-02-14 |