Power switching device
Latest Watlow Electric Manufacturing Company Patents:
Description
The broken lines are included for the purpose of illustrating environmental structure and form no part of the claimed design.
Claims
The ornamental design for a power switching device, as shown and described.
Patent History
Patent number: D585838
Type: Grant
Filed: Mar 9, 2007
Date of Patent: Feb 3, 2009
Assignee: Watlow Electric Manufacturing Company (St. Louis, MO)
Inventors: Larry E. Tiedemann (Winona, MN), Robert A. Pape (Winona, MN), James P. Hentges (Fountain City, WI)
Primary Examiner: Daniel D Bui
Assistant Examiner: Thomas J Johannes
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/273,696
Type: Grant
Filed: Mar 9, 2007
Date of Patent: Feb 3, 2009
Assignee: Watlow Electric Manufacturing Company (St. Louis, MO)
Inventors: Larry E. Tiedemann (Winona, MN), Robert A. Pape (Winona, MN), James P. Hentges (Fountain City, WI)
Primary Examiner: Daniel D Bui
Assistant Examiner: Thomas J Johannes
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/273,696
Classifications