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US Patent: 910,798
Electric hoist
Patentee:
William O. Duntley - Chicago, IL

USPTO Classifications:
254/292, 254/296, 254/316, 310/112, 310/68A

Tool Categories:
specialty machines : hoists and winches

Assignees:
Chicago Pneumatic Tool Co. - Chicago, IL

Manufacturer:
Chicago Pneumatic Tool Co. - Chicago, IL

Witnesses:
S. W. Prince
W. S. Jackson

Patent Dates:
Applied: Jul. 30, 1907
Granted: Jan. 26, 1909

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Chicago Pneumatic Tool Co.

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