Title:
Process of fastening non-metallic elements to metal
United States Patent 1377671

Inventors:
Dieckmann, Carl F.
Publication Date:
05/10/1921
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Assignee:
EUGENE DIETZGEN COMPANY
Primary Class:
264/261
Other Classes:
264/273, 156/292, 33/483, 235/70R, 156/290
International Classes:
E04B1/38