Granted Patent
Utility
US 5,634,786 · App. 08/346,787
Integrated fuel/air ratio control system
Inventor:
Thomas Tillander
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Nov 30, 1994
Inventor
Thomas Tillander
Assignee (at issue)
North American Manufacturing Corporation
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.