Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 938,649
Controller for electric motors
Patentee:
Frederick Diehl - Elizabeth, NJ

USPTO Classifications:
192/17C, 477/12

Tool Categories:

Assignees:
Diehl Manufacturing Co. - Elizabeth, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Joseph F. Jaquith
H. A. Kornemann

Patent Dates:
Applied: May 11, 1908
Granted: Nov. 02, 1909

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Diehl Manufacturing Co.
Description:
Improvements to patent 854,050.

Copyright © 2002-2019 - DATAMP