Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453432 | Method of manufacturing a key for a cylindrical lock | — | 1984-06-12 |
| 4393673 | Cylinder lock | — | 1983-07-19 |
| 4356713 | Cylinder lock and key | — | 1982-11-02 |
| D264680 | Locking pin | — | 1982-06-01 |
| 4329768 | Method of manufacturing a lock follower arm with a press-fitted hub | Erik R. Tranberg | 1982-05-18 |
| 4296619 | Anchoring means for door lock plates | — | 1981-10-27 |
| 4266711 | Method of manufacturing a lock cylinder follower | Erik R. Tranberg | 1981-05-12 |
| 4226454 | Lock follower, particularly a handle or pressure follower, and a method of manufacturing the same | Erik R. Tranberg | 1980-10-07 |
| 4185481 | Lock follower, particularly a cylinder follower, and a method of manufacturing the same | Erik R. Tranberg | 1980-01-29 |