Granted Patent
Utility
US 6,621,269 · App. 09/832,676
System for monitoring solenoid flyback voltage spike
Inventors:
Alan R Ward, Haitao Lin, Michael R. Lindsay, Michael Hesse
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Apr 11, 2001
Inventors
Alan R Ward
Haitao Lin
Michael R. Lindsay
Michael Hesse
Assignee (at issue)
Daimlerchrysler AG
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.