Assignee
SOMMERFELD HOWARD
US4 patents
Top patents by PatentIndex Score
US8469464B2Jun 25, 2013
Parking brake assembly for railway vehicle brake system
SOMMERFELD HOWARD5 citations83
US8256584B2Sep 4, 2012
Parking brake assembly for railway vehicle brake system
SOMMERFELD HOWARD6 citations83
US8230985B2Jul 31, 2012
Parking brake assembly for railway vehicle brake system
SOMMERFELD HOWARD8 citations83
US7097055B2Aug 29, 2006
Long buff short draft travel draft gear for use in a 24.625 inch pocket
SOMMERFELD HOWARD1 citations51