Inventor

NEWMAN G ROBERT

US3 patents

Patents

3 patents

US5487341AJan 30, 1996

Spiker with hole sensing

HARSCO CORP60 citations91

US5048424ASep 17, 1991

Tie replacer and method

HARSCO CORP29 citations90

US5197389AMar 30, 1993

Tie replacer

HARSCO CORP24 citations89