Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4481388 | Electrical plug with automatic shut-off feature | John A. Rolfe | 1984-11-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4481388 | Electrical plug with automatic shut-off feature | John A. Rolfe | 1984-11-06 |