Inventor
JARVIS JAMES
US4 patents
Patents
4 patentsUS6647895B2Nov 18, 2003
Center beam car with depressed cargo-carrying area
GUNDERSON INC11 citations71
US6325579B1Dec 4, 2001
Lift assist mechanism for railroad car deck
GUNDERSON INC11 citations69
US7506591B2Mar 24, 2009
Center beam car with depressed cargo-carrying area
GUNDERSON INC2 citations60
US6883437B2Apr 26, 2005
Center beam car with depressed cargo-carrying area
GUNDERSON INC2 citations60