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Inventor
STINTON FREDERICK M
CA
3 patents
⚠️ This page may combine multiple inventors who share the name “STINTON FREDERICK M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MARTIN CONCRETE ENG CO
2 patents
US4255104A
Mar 10, 1981
System for casting and handling concrete railroad ties
MARTIN CONCRETE ENG CO
16 citations
67
US4253817A
Mar 3, 1981
Concrete railroad tie casting and handling system
MARTIN CONCRETE ENG CO
14 citations
63
MARTIN CONCRETE ENGINEERING
1 patent
US4242071A
Dec 30, 1980
Concrete railroad tie casting and handling system
MARTIN CONCRETE ENGINEERING
17 citations
67