Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659904 | Tub grab bar | Paul J. Doczy, Craig Scherer, Keith Alsberg, Michael Thuma, John Steck +1 more | 1997-08-26 |
| D380696 | Transmitter for garage door opener | Loren E. Doppelt, Gary F. Prokop, Marianne Grisdale, Mark Dziersk | 1997-07-08 |
| D378200 | Wall mounted garage door control | Loren E. Doppelt, Gary F. Prokop, Mark Dziersk, Marianne Grisdale | 1997-02-25 |
| D377767 | Compact transmitter for garage door opener | Loren E. Doppelt, Gary F. Prokop, Marianne Grisdale, Mark Dziersk | 1997-02-04 |