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US Patent: 299,496
Metal Boring and Slotting Machine
Patentee:
John Richards (exact or similar names) - San Francisco, CA

USPTO Classifications:
29/29, 409/335, 451/162

Tool Categories:
metalworking machines : drilling and boring : vertical boring mills
metalworking machines : metal slotting machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 10, 1883
Granted: May 27, 1884

Patent Pictures:
USPTO (New site tip)
Google Patents
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