Title:
Combined propelling means and brake for railroad cars
United States Patent 3039402


Inventors:
Lawrence, Richardson
Application Number:
US3644360A
Publication Date:
06/19/1962
Filing Date:
06/15/1960
Assignee:
Lawrence, Richardson
Primary Class:
Other Classes:
188/62
International Classes:
B61B13/12
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US Patent References:
Foreign References:
DE585339C1933-10-02