Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 464,617
Valve Dressing Machine
Patentees:
Charles H. Sampson - Minneapolis, Hennepin County, MN
Pliny J. Wright - Minneapolis, Hennepin County, MN

USPTO Classifications:
82/149, 82/172

Tool Categories:
specialty machines : valve re-seating machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 28, 1891
Granted: Dec. 08, 1891

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions

Copyright © 2002-2017 - DATAMP