Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889964 | Rotating retractable cam limit switch | David M. Tenniswood, Steven M. Loeck | 1989-12-26 |
| 4885437 | Rotating cam limit switch | David M. Tenniswood, Steven M. Loeck | 1989-12-05 |