WB

William Bakalich

HD Hi-Fold Door: 4 patents #3 of 7Top 45%
📍 Prescott, WI: #13 of 52 inventorsTop 25%
🗺 Wisconsin: #10,776 of 40,088 inventorsTop 30%
Overall (All Time): #1,208,143 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9523233 Swing door Richard D. Keller, Damian Keller, Daniel Keller 2016-12-20
8800208 Hydraulic cylinder control Richard D. Keller, Damian Keller, Daniel Keller, Steven Schultz, Fred W. Sauer +1 more 2014-08-12
8327586 Hydraulic cylinder control Richard D. Keller, Damian Keller, Daniel Keller, Steven Schultz, Fred W. Sauer +1 more 2012-12-11
7219711 Hydraulic door opening mechanism and method of installing a bi-fold door Richard D. Keller, Daniel Keller, Damian Keller 2007-05-22