Title:
Wall patching device with collapsible membraneous body
United States Patent 3325955
Inventors:
Haut, Arthur H.
Application Number:
US41574564A
Publication Date:
06/20/1967
Filing Date:
12/03/1964
Assignee:
YORK INSULATION COMPANY INC
Primary Class:
Other Classes:
428/63
International Classes:
E04F21/02
View Patent Images:
US Patent References:
2638774Backing unit for wall openings1953-05-19
1520352Fruit handling and sorting apparatus1924-12-23
1353813Collapsible rivet-mold1920-09-21
1326959Box-hanger1920-01-06