Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,287,731
Automatic Grinding Machine
Patentee:
Friederich Müller - Hartford, CT

USPTO Classifications:
451/221, 451/335, 451/544

Tool Categories:

Assignees:
Pratt & Whitney Co. - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: May 02, 1917
Granted: Dec. 17, 1918

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Pratt, Whitney & Co.

Copyright © 2002-2019 - DATAMP