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John A. Spechko

DL Dana Limited: 1 patents #464 of 1,099Top 45%
WC Warner Electric Brake & Clutch: 1 patents #6 of 22Top 30%
📍 Elkhorn, WI: #39 of 93 inventorsTop 45%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,308,130 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5099974 Electromagnetically actuated spring clutch — 1992-03-31
4222614 Surge control for electrical trailer brakes — 1980-09-16