Safety spring cushion for glass
United States Patent 2032344

Inventors:
Barrows, George A.
Charles, Blackburn
Publication Date:
03/03/1936
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Assignee:
Barrows, George A.
Charles, Blackburn
Primary Class:
52/204.599
Other Classes:
52/769, 49/460, 52/402
International Classes:
E06B3/54