Granted Patent
Utility
US 6,447,270 · App. 09/397,359
Brushless coolant pump and cooling system
Inventors:
Robert Schmidt, Bruce A. Smetana, Thomas T. Weir
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Sep 16, 1999
Inventors
Robert Schmidt
Bruce A. Smetana
Thomas T. Weir
Assignees (at issue)
WALBRO LLC
Isothermal Systems Research, Inc.
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.