Expansion retainer device
United States Patent 3028981

Inventors:
Ford, Barton H.
Ford, Michael J.
Publication Date:
04/10/1962
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Assignee:
INT PAPER CO
STANLEY WORKS
Primary Class:
Other Classes:
108/57.120, 410/125
International Classes:
B60P7/16; B61D45/00; F16F9/04; B60P7/06; F16F9/02
US Patent References:
2856867Freight air cushioning system