1839US1180A
Rail / Transportation
Springs for Railroad-Cars
Combines boxed spiral springs with an inverted arch or bow spring to support railroad cars or other carriages.
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1 patent record is preserved in this collection. The list describes the patents; it does not add biographical claims beyond the available records.
Rail / Transportation
Combines boxed spiral springs with an inverted arch or bow spring to support railroad cars or other carriages.
Open original patent