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Michael Black

SP Sperry: 1 patents #355 of 841Top 45%
Overall (All Time): #3,997,760 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D284382 Splash guard for box type manure spreaders Warren H. Brackbill 1986-06-24