Granted Patent
Utility
US 6,523,349 · App. 09/885,377
Clean air engines for transportation and other power applications
Inventor:
Fermin Viteri
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Jun 19, 2001
Inventor
Fermin Viteri
Assignee (at issue)
Clean Energy Systems, Inc.
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.