'S. Duncan Black & this partner filed a patent for a drill in 1914'
Decker
BUSINESS BUDDIES: S. Duncan Black & this partner filed a patent for a drill in 1914
S. Duncan Black & this partner filed a patent for a drill in 1914
S. Duncan Black & this partner filed a patent for a drill in 1914
BUSINESS BUDDIES
Decker
BUSINESS BUDDIES