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US Patent: 644,279
FeedAttachment for Screw or Analogous Machines
Patentees:
Elbert M. Couch (exact or similar names) - Hartford, Hartford County, CT
Frank Harrington (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
221/298, 29/57

Tool Categories:
metalworking machines : screw machines

Assignees:
Pratt & Whitney Co. - Hartford, Hartford County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 11, 1899
Granted: Feb. 27, 1900

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.

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