Granted Patent
Utility
US 6,728,478 · App. 10/371,726
Heated chemical delivery system
Inventors:
Robert G. Cox, Jeremiah M. Lewis
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Feb 20, 2003
Inventors
Robert G. Cox
Jeremiah M. Lewis
Assignee (at issue)
Dekko Heating Technologies, 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.