Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849581 | Adjustable joint for electrical busway | Harold F. Larkin, David A. Hibbert, Clarence W. Walker | 1989-07-18 |
| 4842533 | Thermally efficient splice joint for electrical distribution busway | Ira B. Goldman, Harold F. Larkin, David A. Hibbert | 1989-06-27 |