Inventor

WILLISON JOHN

US3 patents

Patents

3 patents

US9482090B2Nov 1, 2016

Air flow system for mining machine

JOY MM DELAWARE INC1 citations45

US9291052B2Mar 22, 2016

Air flow system for mining machine

JOY MM DELAWARE INC0 citations45

US9903202B2Feb 27, 2018

Shield for sumping frame of mining machine

JOY MM DELAWARE INC0 citations31