Granted Patent
Utility
US 5,997,259 · App. 09/071,129
Electronic engine - air compressor system
Inventors:
Brian P. Marshall, David E. Hockemeyer
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Apr 30, 1998
Inventors
Brian P. Marshall
David E. Hockemeyer
Assignee (at issue)
Navistar International Transportation
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.