Granted Patent
Utility
US 5,431,105 · App. 08/122,725
Electrothermal chemical cartridge
Inventor:
G. Mark Wilkinson
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Sep 16, 1993
Inventor
G. Mark Wilkinson
Assignee (at issue)
Maxwell Laboratories, 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.