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US Patent: 933,639
Bitstock
Patentee:
Charles R. Frink (exact or similar names) - Brattleboro, VT

USPTO Classifications:
81/177.1, 81/57.29

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Sep. 07, 1909

Patent Pictures:
USPTO (New site tip)
Google Patents
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