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US Patent: 1,395,340
Speed Retarding Device for Lifting Jacks
Patentee:
Frank L. Gormley - Brookline, Norfolk County, MA

USPTO Classifications:
188/295, 254/103, 254/93A

Tool Categories:
industrial tools : lifting tools

Assignees:
A. O. Norton, Inc. - Boston, Suffolk County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 22, 1920
Granted: Nov. 01, 1921

Patent Pictures:
USPTO pdf tiff
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