MG

Marianne Grisdale

TG The Chamberlain Group: 3 patents #3 of 13Top 25%
📍 Chicago, IL: #21 of 426 inventorsTop 5%
🗺 Illinois: #217 of 4,656 inventorsTop 5%
Overall (1997): #13,497 of 185,788Top 8%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

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