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US Patent: 241,236
Adjustable lever
Patentee:
Francis A. Pratt - Hartford, CT

USPTO Classifications:
403/104, 403/164, 403/245, 403/322.2, 403/81, 74/145, 74/149

Tool Categories:
construction machines : cranes

Assignees:
Pratt & Whitney Co. - Hartford, CT

Manufacturer:
Pratt & Whitney Co. - Hartford, CT

Witnesses:
Theodore G. Ellis
Wilmot Horton

Patent Dates:
Applied: Jan. 15, 1881
Granted: May 10, 1881

Patent Pictures:
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"Vintage Machinery" entry for Pratt & Whitney Co.
Description:
Seen on an old Pratt & Whitney milling machine.

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