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US Patent: 610,773
Hand Drilling-Machine
Patentee:
Benjamin F. Smith (exact or similar names) - Somerville, MA

USPTO Classifications:
192/44, 81/59.1

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Samuel Bradstreet
Lauritz N. Moller
Alban Adren

Patent Dates:
Applied: Feb. 21, 1898
Granted: Sep. 13, 1898

Patent Pictures:
Benjamin F. Smith patent September 13, 1898
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Description:
Reversible cam-roller "ratchet" with interchangeable feed screw or handle, and tapered socket to hold nut driver sockets, drill bits, etc.

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