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William Wilfred Spencer

UNUnknown: 1 patents #273 of 2,925Top 10%
Windsor Junction, CA: #2 of 3 inventorsTop 70%
Overall (2003): #91,210 of 273,478Top 35%
1 Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6619638 Supplementary torsion spring assembly — 2003-09-16

Nearby-Ranked Inventors

William Spilchen1
William Steven Spielmann1
William Alan Spielman1
William E. Spengler1
William A. Spencer1
William E. Spencer1
William Jason Spence1
William R. Spence1
Wilma Speelman1