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US Patent: 788,716
Worm Gearing
Patentees:
Robert A. Hammond - Sanwich, Barnstable County, MA
Frederick E. Walden - Worcester, Worcester County, MA

USPTO Classifications:
24/569, 254/98, 269/182, 269/244, 411/116, 74/424.78, 74/424.94

Tool Categories:
work holding : vises : vise mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 29, 1904
Granted: May 02, 1905

Patent Pictures:
USPTO pdf tiff
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