Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11332960 | Electrically operated door strike with thermally responsive element | Fred H. Schildwachter | 2022-05-17 |
| 10781611 | Electric strike with two independent latches | William Schildwachter | 2020-09-22 |
| 10563428 | Latch bolt monitor using a reed switch | William Schildwachter | 2020-02-18 |
| 9376835 | Magnetically mounted door hardware template | William Schildwachter, James S. W. Lee | 2016-06-28 |
| 8366160 | High strength electric door strike with gravity fed locking member | William Schildwachter | 2013-02-05 |
| 7669902 | Electric strike horizontal adjustment | — | 2010-03-02 |
| 7021684 | Surface mounted electric strike | William Schildwachter | 2006-04-04 |
| 5484307 | Flush mounted telephone jack | Jay Garthwaite, Kenneth W. Hotchkiss, Arthur B. Woodward, Brian Lee, Walter C. Lewis | 1996-01-16 |
| 5356310 | Flush-mounted telephone jack | Jay Garthwaite, Kenneth W. Hotchkiss, Arthur B. Woodward, Brian Lee, Walter C. Lewis | 1994-10-18 |
| 5266049 | Flush-mounted telephone jack | Jay Garthwaite, Kenneth W. Hotchkiss, Arthur B. Woodward, Brian Lee, Walter C. Lewis | 1993-11-30 |
| 5133675 | Flush-mounted telephone jack | Jay Garthwaite, Kenneth W. Hotchkiss, Arthur B. Woodward, Brian Lee, Walter C. Lewis | 1992-07-28 |
| 4688134 | Ground fault circuit interrupter and electronic detection circuit | LeRoy M. Freeman, Paul Gernhardt | 1987-08-18 |
| 4630015 | Ground fault circuit interrupter | Paul Gernhardt | 1986-12-16 |