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Putty knife
United States Patent 2213071
Inventors:
Frank, Keller
Publication Date:
08/27/1940
View Patent Images:
Download PDF 2213071
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Assignee:
Frank, Keller
Primary Class:
30/169
Other Classes:
7/105, 30/344, D08/105
International Classes:
B44D3/10
;
E04F21/32
;
B44D3/06
;
E04F21/00