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John Thomas Swaine

DY Dynabrade: 1 patents #10 of 17Top 60%
Overall (All Time): #2,634,550 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11235454 Spring loaded adjustable head Jeffrey M. Sabin, Frank D. Lehman 2022-02-01