Title:
Expansion retainer device
United States Patent 3028981


Inventors:
Ford, Barton H.
Ford, Michael J.
Application Number:
US80533159A
Publication Date:
04/10/1962
Filing Date:
04/09/1959
Assignee:
INT PAPER CO
STANLEY WORKS
Primary Class:
Other Classes:
108/57.12, 410/125
International Classes:
B60P7/16; B61D45/00; F16F9/04
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