LD

Loren E. Doppelt

TG The Chamberlain Group: 4 patents #1 of 13Top 8%
📍 Palatine, IL: #6 of 88 inventorsTop 7%
🗺 Illinois: #125 of 4,656 inventorsTop 3%
Overall (1997): #7,045 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D381962 Garage door opener control Gary F. Prokop 1997-08-05
D380696 Transmitter for garage door opener Jeff Condon, Gary F. Prokop, Marianne Grisdale, Mark Dziersk 1997-07-08
D378200 Wall mounted garage door control Jeff Condon, Gary F. Prokop, Mark Dziersk, Marianne Grisdale 1997-02-25
D377767 Compact transmitter for garage door opener Jeff Condon, Gary F. Prokop, Marianne Grisdale, Mark Dziersk 1997-02-04