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US Patent: 1,292,620
Center Drilling Jig
Patentee:
John M. Luers (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
408/104, 408/97

Tool Categories:
metalworking tools : jigs and fixtures

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 04, 1917
Granted: Jan. 28, 1919

Patent Pictures:
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