JS

John Serafin

Xerox: 1 patents #5,237 of 8,622Top 65%
📍 Waukesha, WI: #513 of 1,162 inventorsTop 45%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,279,143 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5521675 Annotation system occluding device for an electrophotographic printing apparatus Leon G. Poplawski, Daniel J. McTigue 1996-05-28
5158405 Deburring tool and method 1992-10-27