Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812674 | Safety gate limit switch using Hall effect transducer | Horace O. Sue, David Mark Pendley, William C. Keys | 1989-03-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812674 | Safety gate limit switch using Hall effect transducer | Horace O. Sue, David Mark Pendley, William C. Keys | 1989-03-14 |