Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695361 | Latch structure | Christopher Lane, David Alcantara | 2004-02-24 |
| 6629711 | Universal actuator assembly for a door latch | David Alcantara, Kenneth William Bryant | 2003-10-07 |
| 6494506 | Latch and actuator assembly with no-lock-out feature | Christopher M. Lane, David Alcantara | 2002-12-17 |
| 6231091 | Control mechanism for operating a latch | David Iverson | 2001-05-15 |
| 5360244 | Lock assembly | Marvin L. Larsen | 1994-11-01 |
| 5299844 | Sealed latch assembly | — | 1994-04-05 |
| D339049 | Door latch handle | Marvin L. Larsen | 1993-09-07 |
| D339050 | Door latch handle | Marvin L. Larsen | 1993-09-07 |
| 5127686 | Door closure assembly | Marvin L. Larsen | 1992-07-07 |
| 5042853 | Paddle latch assembly | Marvin L. Larsen | 1991-08-27 |