Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017877 | Watthour meter open potential circuit detecting device | — | 1991-05-21 |
| 4313319 | Lock and key combination with mastering concept | John A. Signorelli | 1982-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017877 | Watthour meter open potential circuit detecting device | — | 1991-05-21 |
| 4313319 | Lock and key combination with mastering concept | John A. Signorelli | 1982-02-02 |