Roofing shingle
United States Patent 1722702

Inventors:
Lester, Kirschbraun
Heppes, Otto A.
Publication Date:
07/30/1929
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Assignee:
FLINTKOTE CO
Primary Class:
428/143
Other Classes:
52/560, 52/518, 428/380, 428/161, 428/156, 428/150, 428/190
International Classes:
E04D1/26; E04D1/00