Title:
Variable width end attachment
United States Patent 3030686
Inventors:
Burkhardt, Norman C.
Application Number:
US4211560A
Publication Date:
04/24/1962
Filing Date:
07/11/1960
Assignee:
Jacoby, Bender
Primary Class:
Other Classes:
D11/94
International Classes:
A44C5/08; A44C5/14
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