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US Patent: 824,250
Pneumatic Tool Holder
Patentee:
Ambrose E. Knapp (exact or similar names) - Seattle, King County, WA

USPTO Classifications:
173/33, 175/210

Tool Categories:
industrial tools : pneumatic tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 27, 1905
Granted: Jun. 26, 1906

Patent Pictures:
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