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USPTO Patent Rankings Data through Sept 30, 2025
DP

Delmer G. Prker

Xerox: 1 patents #5,237 of 8,622Top 65%
New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,765,176 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5394225 Optical switching scheme for SCD donor roll bias 1995-02-28