Inventor
RECKER MARK A
US3 patents
Patents
3 patentsUS6209880B1Apr 3, 2001
Auger hopper seal
UNVERFERTH MFG CO INC40 citations90
US6865827B2Mar 15, 2005
Utility device having an improved rotatable drive mechanism
UNVERFERTH MFG CO INC11 citations71
US6978612B2Dec 27, 2005
Utility device having hydraulic circuit for multi-function valve
UNVERFERTH MFG CO INC4 citations60