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US Patent: 686,681
Attachment for Metal Working Machines
Patentee:
Richard B. Perrott (exact or similar names) - Wilmington, New Castle County, DE

USPTO Classifications:
407/84, 407/97

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories and attachments

Assignees:
Richard B. Perrott - Wilmington, New Castle County, DE
Samuel E. Hart - Wilmington, New Castle County, DE

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 07, 1901
Granted: Nov. 12, 1901

Patent Pictures:
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