Granted Patent
Utility
US 5,977,666 · App. 09/102,929
Electric motor having brush noise absorption system
Inventors:
Marek Horski, Haran K. Periyanthamby, Peter A. Kershaw
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jun 23, 1998
Inventors
Marek Horski
Haran K. Periyanthamby
Peter A. Kershaw
Assignee (at issue)
Siemens Canada Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.