Title:
Asphalt shingle with sealing elements
United States Patent 2863405
Inventors:
Leibrook, Walton V.
Arthur, Fasold George
Publication Date:
12/09/1958
Assignee:
CAREY PHILIP MFG CO
Other Classes:
156/71, 156/247
International Classes:
E04D1/26; E04D1/00