Butterweck; Dieter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Butterweck; Dieter.The latest application filed is for "electronic input and dial entry lock".
- Butterweck; Dieter - Dortmund DE
- Butterweck; Dieter - D-04600 Dortmund DE
| Patent | Date |
|---|---|
| Electronic input and dial entry lock Grant 6,298,699 - Gartner , et al. October 9, 2 | 2001-10-09 |
| Electronic input and dial entry lock Grant 6,116,066 - Gartner , et al. September 12, 2 | 2000-09-12 |
| Pawl & solenoid locking mechanism Grant 5,887,467 - Butterweck , et al. March 30, 1 | 1999-03-30 |
| Electronic input and dial entry lock Grant 5,845,523 - Butterweck , et al. December 8, 1 | 1998-12-08 |
| Programmable electronic time lock Grant 5,594,430 - Cutter , et al. January 14, 1 | 1997-01-14 |
| Programmable electronic time lock Grant 5,387,903 - Cutter , et al. February 7, 1 | 1995-02-07 |
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