Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659169 | Dead front terminal block assembly | George Ustin | 1987-04-21 |
| 4609246 | Dead-front terminal block with movable covers | George Ustin | 1986-09-02 |
| 4461523 | Protective lampholder for bayonet base lamp | George Ustin | 1984-07-24 |