JB

John L. Butterfield

GE: 2 patents #13,562 of 36,430Top 40%
📍 Erie, PA: #423 of 1,097 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,362,962 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4392835 Slicer disconnect Ehtisham U. A. Siddiqui, James L. Wenzel 1983-07-12
4281942 Lubrication system for high speed spline connection and bearing Fred J. Gaeckle 1981-08-04