Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |