Mechanic's square
United States Patent 2448440
US Patent References:
/0215024.html
- - 0215024

/1036491.html
- - 1036491

Nut running apparatus
- - 1918557

Try-square
- - 2122875


Inventors:
King, Elmer I.
Publication Date:
08/31/1948
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Assignee:
STARRETT L S CO
Primary Class:
33/427
Other Classes:
D10/62
International Classes:
G01B3/56