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US Patent: 73,100
Improvement in shaft-coupling
Patentee:
George W. Hubbard - Philadelphia, PA

USPTO Classifications:
403/309

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine shaft couplings

Assignees:
Cresson & Smith - Philadelphia, PA

Manufacturer:
Geo. V. Cresson Co. - Philadelphia, PA
Cresson & Smith - Philadelphia, PA

Witnesses:
E. Oscar Hamptner
Alfred B. Oswell

Patent Dates:
Granted: Jan. 07, 1868

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for George V. Cresson & Co.

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