Inventor
CALLAHAN THOMAS
US17 patents
⚠️ This page may combine multiple inventors who share the name “CALLAHAN THOMAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMSTED RAIL CO INC
5 patentsUS8813810B1Aug 26, 2014
Forming a mold for steel casting
AMSTED RAIL CO INC5 citations70
US8813811B1Aug 26, 2014
Forming a mold for steel casting
AMSTED RAIL CO INC4 citations70
US8869872B2Oct 28, 2014
Forming a mold for steel casting
AMSTED RAIL CO INC0 citations49
US8839843B1Sep 23, 2014
Forming a mold for steel casting
AMSTED RAIL CO INC0 citations49
US8839844B1Sep 23, 2014
Forming a mold for steel casting
AMSTED RAIL CO INC0 citations49