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Calvin L. Coy

CA Canron: 1 patents #14 of 32Top 45%

Overall (All Time): #2,321,607 of 4,157,543Top 60%

2

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
4899664	Split workhead	Roy Moore	1990-02-13
4554697	Ballast brooms	Keith T. O'Neal	1985-11-26