Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070787 | Method and apparatus for switching an electrical circuit | William F. Weldon, Robert L. Sledge | 1991-12-10 |
| 4859819 | Staged opening switch | William F. Weldon, Raymond C. Zowarka | 1989-08-22 |