Gerald E. Mader

Person

Indianapolis, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Push pad trigger release exit device with infinite deadlocking
- Patent number 5,904,384
- Issue date May 18, 1999
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Push pad trigger release exit device with infinite deadlocking
- Patent number 5,762,385
- Issue date Jun 9, 1998
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electrical power transfer for 3/4" offset pivots
- Patent number 5,690,501
- Issue date Nov 25, 1997
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Push pad trigger release for a vertical rod exit device
- Patent number 5,673,949
- Issue date Oct 7, 1997
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Push pad trigger release exit device with infinite deadlocking
- Patent number 5,609,371
- Issue date Mar 11, 1997
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Breakaway lever clutch with vertical lift trim
- Patent number 5,570,916
- Issue date Nov 5, 1996
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Breakaway lever with reset mechanism
- Patent number 5,566,994
- Issue date Oct 22, 1996
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door lever assembly having non-machined fastenerless trim
- Patent number 5,564,760
- Issue date Oct 15, 1996
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Breakaway lever with wedge release mechanism
- Patent number 5,520,427
- Issue date May 28, 1996
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Breakaway lever clutch with cam drive pin
- Patent number 5,516,161
- Issue date May 14, 1996
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Failsafe electric locking lever trim
- Patent number 5,484,179
- Issue date Jan 16, 1996
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door latch assembly with meltable fuse mechanism
- Patent number 5,464,259
- Issue date Nov 7, 1995
- Von Duprin, Inc.
- Richard B. Cohrs
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Breakaway lever clutch
- Patent number 5,445,423
- Issue date Aug 29, 1995
- Von Duprin, Inc.
- Gerald E. Mader
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Gerald E. Mader

Person

Patents Grantslast 30 patents

Push pad trigger release exit device with infinite deadlocking

Push pad trigger release exit device with infinite deadlocking

Electrical power transfer for 3/4" offset pivots

Push pad trigger release for a vertical rod exit device

Push pad trigger release exit device with infinite deadlocking

Breakaway lever clutch with vertical lift trim

Breakaway lever with reset mechanism

Door lever assembly having non-machined fastenerless trim

Breakaway lever with wedge release mechanism

Breakaway lever clutch with cam drive pin

Failsafe electric locking lever trim

Door latch assembly with meltable fuse mechanism

Breakaway lever clutch