Granted Patent
Utility
US 5,641,899 · App. 08/611,140
Method of checking for purge flow in an evaporative emission control system
Inventors:
William B. Blomquist, Gary Dawson, Roland T. Richardson, Glen E. Tallarek
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Mar 5, 1996
Inventors
William B. Blomquist
Gary Dawson
Roland T. Richardson
Glen E. Tallarek
Assignee (at issue)
Chrysler Group LLC
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.