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USPTO Patent Rankings Data through Sept 30, 2025
MD

Maurice J. Drew — 1 Patent

Cylinder, IA: #1 of 1 inventorsTop 100%
Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,083,134 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4249048 Pressure switch 1981-02-03