Brent Kiernan

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Patents Grantslast 30 patents

Information Patent Grant
Electric strike field-selectable fail-safe/fail-secure mechanism
- Patent number 6,595,563
- Issue date Jul 22, 2003
- Von Duprin, Inc.
- Brent Kiernan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Electric strike field-selectable fail-safe/fail-secure machanism
- Publication number 20020029526
- Publication date Mar 14, 2002
- Von Duprin, Inc
- Brent Kiernan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES