DT

Douglas R. Turner

TG The Chamberlain Group: 1 patents #1 of 5Top 20%
📍 Arlington Heights, IL: #23 of 87 inventorsTop 30%
🗺 Illinois: #1,021 of 4,484 inventorsTop 25%
Overall (1994): #140,411 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5299678 Limit switch mechanism for garage door opener James S. Chang, Mark D. Siegler 1994-04-05