EM

Edmund J. McLelland

PO Polaroid: 1 patents #513 of 898Top 60%
📍 Plymouth, MA: #106 of 198 inventorsTop 55%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,952,784 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4747674 Contrast enhancement filter William F. Butterfield, Kuang-Chou Chang, Leonard Polizzotto 1988-05-31