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US Patent: 773,425
Lathe Test Indicator
Patentees:
Gardiner George Riggs (exact or similar names) - Waterbury, CT
Arsene Edmond Babin (exact or similar names) - Waterbury, CT

USPTO Classifications:
33/642

Tool Categories:
metalworking tools : machinist tools : measuring tools : test indicators

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Walton Harrison
Frederick Gillmor
W. H. Kibner
Patent Dates:
Applied: May 12, 1904
Granted: Oct. 25, 1904

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