Granted Patent
Utility
US 6,068,672 · App. 09/141,487
Fuel additive delivery system
Inventors:
Charles J. Watson, Lawrence E. Egle
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Aug 27, 1998
Inventors
Charles J. Watson
Lawrence E. Egle
Assignee (at issue)
WALBRO 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.