Granted Patent
Utility
US 6,803,545 · App. 10/161,639
Electrically heated smoking system and methods for supplying electrical power from a lithium ion power source
Inventors:
Clinton E. Blake, John Hairfield, Charles T. Higgins, H. Neal Nunnally, Robert L. Ripley
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Jun 5, 2002
Inventors
Clinton E. Blake
John Hairfield
Charles T. Higgins
H. Neal Nunnally
Robert L. Ripley
Assignee (at issue)
Philip Morris 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.