Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359322 | Method and apparatus for interconnected electronic locks | — | 1994-10-25 |
| 5347267 | Electronic lock reset system and method | — | 1994-09-13 |
| 5278480 | Door opener control with adaptive limits and method therefor | — | 1994-01-11 |
| 5148159 | Remote control system with teach/learn setting of identification code | John Clark, Brian Martel | 1992-09-15 |
| 4929877 | Automatic garage door operator with remote load control | John Clark, Brian Martel | 1990-05-29 |
| 4847542 | Automatic garage door operator with remote load control | John Clark, Brian Martel | 1989-07-11 |