Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 521,980
Machine for Grinding Cocks Automatically
Patentee:
Charles M. Jarvis (exact or similar names) - Erie, Erie County, PA

USPTO Classifications:
451/116

Tool Categories:
metalworking machines : grinders : valve cock grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 04, 1894
Granted: Jun. 26, 1894

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Copyright © 2002-2024 - DATAMP