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US Patent: 166,730
Improvement in hoisting-machines or elevators
Patentee:
Erhard Schlenker - Buffalo, NY

USPTO Classifications:
187/263, 187/300

Tool Categories:
specialty machines : elevators and lifts

Assignees:
Gibson F. Howard - Buffalo, NY
Rufus L. Howard - Buffalo, NY
Erhard Schlenker - Buffalo, NY

Manufacturer:
Howard Iron Works - Buffalo, NY

Witnesses:
Solomon Finley
P. P. Burtis

Patent Dates:
Applied: Aug. 04, 1874
Granted: Aug. 17, 1875

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Howard Iron Works

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