Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 413,292
Electric measuring-instrument
Patentee:
Elihu Thomson - Lynn, MA

USPTO Classifications:
324/146

Tool Categories:
electrical devices

Assignees:
Thomson-Houston Electric Co. - Lynn, MA

Manufacturer:
General Electric Co. - Schenectady, NY
Thomson-Houston Electric Co. - Lynn, MA

Witnesses:
J. W. Gibboney
F. Thomson

Patent Dates:
Applied: Apr. 28, 1887
Granted: Oct. 22, 1889

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for General Electric Co.
"Vintage Machinery" entry for Thomson-Houston Electric Co.
Description:
A GE current meter was seen with this patent date on it.

Thomson-Houston was established in 1883 and then in 1892 merged with Edison General Electric Company of Schenectady to form General Electric Co.

Copyright © 2002-2019 - DATAMP