Daniel N. Nigro Jr.

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Indianapolis, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Exit alarm lock deadbolt having guide supports
- Patent number 6,485,066
- Issue date Nov 26, 2002
- Von Duprin, Inc.
- Daniel N. Nigro
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Exit alarm lock assembly with push pad pivotally interconnected to...
- Patent number 6,409,232
- Issue date Jun 25, 2002
- Von Duprin, Inc.
- Daniel N. Nigro
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Switching assembly for an exit alarm lock
- Patent number 6,304,177
- Issue date Oct 16, 2001
- Von Duprin, Inc.
- Daniel N. Nigro
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lever handle assembly with field adjustable tailpiece and lever han...
- Patent number 5,664,816
- Issue date Sep 9, 1997
- Von Duprin, Inc.
- Daniel N. Nigro
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door handle locking mechanism with dual function springs
- Patent number 5,658,026
- Issue date Aug 19, 1997
- Von Duprin, Inc.
- Daniel N. Nigro
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES