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US Patent: 1,231,185
Sine Bar
Patentee:
Frederick Muller (exact or similar names) - Elizabeth, Union County, NJ

USPTO Classifications:
33/536, 33/832

Tool Categories:
metalworking tools : sine bars

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 22, 1917
Granted: Jun. 26, 1917

Patent Pictures:
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