BK

Barbara P. Kelkhoff

TG The Chamberlain Group: 1 patents #156 of 278Top 60%
📍 Aurora, IL: #589 of 1,049 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,457,982 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6940240 Movable barrier operator multi-technique excess force avoidance apparatus and method James J. Fitzgibbon, Colin Wilmott 2005-09-06