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US Patent: 646,458
Pneumatic Hoisting Apparatus
Patentee:
Howard A. Pedrick (exact or similar names) - Philadelphia, PA

USPTO Classifications:
212/34, 91/390, 91/404, 91/417R, 91/446, 91/450

Tool Categories:
material handling : hoists, winches, come-alongs
industrial tools : pneumatic tools

Assignees:
Pedrick & Ayer Co. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 24, 1899
Granted: Apr. 03, 1900

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pedrick & Ayer

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