Inventor
RUSSELL FRANK S
US9 patents
Patents
9 patentsUS4528831AJul 16, 1985
Wire coiling machine
SLEEPER & HARTLEY24 citations80
US4793171ADec 27, 1988
Multi-slide wire and strip forming machine
SLEEPER & HARTLEY7 citations72
US4607513AAug 26, 1986
Wire working machine
SLEEPER & HARTLEY10 citations72
US4416135ANov 22, 1983
Wire coiling machine
SLEEPER & HARTLEY12 citations72
US3945239AMar 23, 1976
Metal forming machine with multiple extended beds
SLEEPER & HARTLEY8 citations72
US4402204ASep 6, 1983
Wire coiling machine
SLEEPER & HARTLEY16 citations71
US4372141AFeb 8, 1983
Wire coiling machine
SLEEPER & HARTLEY13 citations71
US4873854AOct 17, 1989
Computer controlled coiling machine
SLEEPER & HARTLEY14 citations68
US4524597AJun 25, 1985
Method of supporting a camshaft in a wire coiling machine
SLEEPER & HARTLEY6 citations60