Patents per Year
Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7448668 | Security screen door for vehicles and a locking system therefor | Steven Brabeck, Peter Bouma, David Greenbury | 2008-11-11 | |
| 6813913 | Padlocks | — | 2004-11-09 | |
| 6502435 | Locks | Dion Geoffrey Bright | 2003-01-07 | |
| 5704568 | Airplane pirouette steering system | — | 1998-01-06 | $37,200,000 |
| 5368345 | Door lock | — | 1994-11-29 | |
| 5242131 | Steerable landing gear | — | 1993-09-07 | $13,623,000 |
| 4707882 | Pneumatic damper | — | 1987-11-24 | |
| 4691543 | Deadlock with key operated locking cylinder | — | 1987-09-08 | |
| 4534402 | Method of casting pin tumbler lock barrels | — | 1985-08-13 | |
| 4382311 | Door-closure apparatus | — | 1983-05-10 | |
| 4270779 | Locking device for removable frame structures | — | 1981-06-02 | |
| 4265417 | Hydraulic nose landing gear steering actuator for an airplane | — | 1981-05-05 | $4,898,000 |