RD

Robert E. Dutka

TG The Chamberlain Group: 1 patents #156 of 278Top 60%
📍 Glen Ellyn, IL: #334 of 541 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,488,430 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6782662 Movable barrier operator having cable tension sensor and door lock mechanism Phillip D. McCartney, Andrew Gavel, William Chen, Robert J. Olmsted 2004-08-31