Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 925,108
Motor Controlling Device
Patentees:
Richard M. Klein (exact or similar names) - Madison, Dane County, WI
David R. Sperry (exact or similar names) - Madison, Dane County, WI

USPTO Classifications:
318/102, 318/164, 318/39

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine speed and direction changing mechanisms

Assignees:
Northern Electrical Mfg. Co. - Madison, Dane County, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 23, 1908
Granted: Jun. 15, 1909

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Northern Electrical Manufacturing Co.

Copyright © 2002-2024 - DATAMP