GM

Gerald E. Mader

VD Von Duprin: 13 patents #1 of 58Top 2%
HM Household Manufacturing: 2 patents #2 of 14Top 15%
Overall (All Time): #302,948 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5904384 Push pad trigger release exit device with infinite deadlocking William P. Dye, Matthew S. Prucinsky 1999-05-18
5762385 Push pad trigger release exit device with infinite deadlocking William P. Dye, Matthew S. Prucinsky 1998-06-09
5690501 "Electrical power transfer for 3/4"" offset pivots" 1997-11-25
5673949 Push pad trigger release for a vertical rod exit device William P. Dye, Matthew S. Prucinsky 1997-10-07
5609371 Push pad trigger release exit device with infinite deadlocking William P. Dye, Matthew S. Prucinsky 1997-03-11
5570916 Breakaway lever clutch with vertical lift trim 1996-11-05
5566994 Breakaway lever with reset mechanism 1996-10-22
5564760 Door lever assembly having non-machined fastenerless trim 1996-10-15
5520427 Breakaway lever with wedge release mechanism 1996-05-28
5516161 Breakaway lever clutch with cam drive pin Paul J. Haeck 1996-05-14
5484179 Failsafe electric locking lever trim 1996-01-16
5464259 Door latch assembly with meltable fuse mechanism Richard B. Cohrs 1995-11-07
5445423 Breakaway lever clutch 1995-08-29
4977990 Free floating dam for a fluid shear coupling apparatus 1990-12-18
4913273 Fluid shear coupling apparatus having a modulating valve with a movable aperture 1990-04-03
4653624 Fluid shear coupling apparatus having fluid modulating valve 1987-03-31