Chamberlain; L. C. Derek
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chamberlain; L. C. Derek.The latest application filed is for "power feed adapter".
- Chamberlain; L. C. Derek - Colorado Springs CO
| Patent | Date |
|---|---|
| Power feed adapter Grant 6,042,417 - Hensley , et al. March 28, 2 | 2000-03-28 |
| Lockset with motorized system for locking and unlocking Grant 6,038,896 - Chamberlain , et al. March 21, 2 | 2000-03-21 |
| Escutcheon for a cylindrical lock Grant D411,732 - Chamberlain June 29, 1 | 1999-06-29 |
| Interlocking dead bolt with projecting pins Grant 5,794,991 - Smallegan , et al. August 18, 1 | 1998-08-18 |
| Lockset with motorized system for locking and unlocking Grant 5,782,118 - Chamberlain , et al. July 21, 1 | 1998-07-21 |
| Lock platform Grant 5,695,227 - Smallegan , et al. December 9, 1 | 1997-12-09 |
| Electronic touch key providing a tactile pressure signal for an electronic lock Grant 5,689,985 - Chamberlain November 25, 1 | 1997-11-25 |
| Deadbolt latch assembly Grant 5,683,127 - Chamberlain November 4, 1 | 1997-11-04 |
| Dead bolt actuating assembly Grant 5,676,407 - Smallegan , et al. October 14, 1 | 1997-10-14 |
| Door latch operating assembly Grant 5,492,380 - Smallegan , et al. February 20, 1 | 1996-02-20 |
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