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US Patent: 411,884
Slotting Machine
Patentees:
Henry L. Binsse (exact or similar names) - New York, NY
Arthur J. Frith (exact or similar names) - Newark, Essex County, NJ

USPTO Classifications:
409/334

Tool Categories:
metalworking machines : metal slotting machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 21, 1888
Granted: Oct. 01, 1889

Patent Pictures:
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