Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 238,631
Dynamo or Magneto-Electric Machine
Patentee:
Charles E. Ball - Philadelphia, PA

USPTO Classifications:
105/118, 310/178, 318/76, 74/5.37

Tool Categories:
electrical devices : electric generators

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 18, 1880
Granted: Mar. 08, 1881

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

Copyright © 2002-2019 - DATAMP