Title:
Self-lubricating hinge pin
United States Patent 2588216


Inventors:
Graaf, Maurice DE.
Application Number:
US8358849A
Publication Date:
03/04/1952
Filing Date:
03/26/1949
Assignee:
Graaf, Maurice DE.
Primary Class:
International Classes:
E05D11/02; F16C11/02
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US Patent References:
2214348Hinge1940-09-10