Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304291 | Combined latch housing and interengageable strike plate | Joel T. Vargus | 1989-10-31 |
| D303754 | Strike plate | Steven A. Mayo | 1989-10-03 |
| D303351 | Strike plate | Steven A. Mayo | 1989-09-12 |
| D303349 | Combined latch housing and pivotal operating arm | Joel T. Vargus | 1989-09-12 |
| 4850209 | Latch and lock housings, handles and mounting brackets | Steven A. Mayo, Joel T. Vargus, Frank R. Albris, Richard H. Russell, Thomas V. McLinden +2 more | 1989-07-25 |
| 4850208 | Latch and lock assemblies with spring-biased pivot bolts | Steven A. Mayo, Thomas V. McLinden, Timothy H. Wentzell | 1989-07-25 |
| 4841755 | Latch and lock assemblies with spring-biased slide bolts | Steven A. Mayo, Joel T. Vargus, Frank R. Albris, Richard H. Russell, Thomas V. McLinden +2 more | 1989-06-27 |
| 4838054 | Latch and lock assemblies with lift and turn handles | Frank R. Albris, Thomas V. McClinden, Timothy H. Wentzell | 1989-06-13 |
| 4838056 | Latch and lock assemblies with expansible latch elements | Steven A. Mayo, Thomas V. McLinden, Timothy H. Wentzell | 1989-06-13 |