Granted Patent
Utility
US 6,651,647 · App. 09/897,530
Heating apparatus with slidable shroud
Inventor:
Michael Waters
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jul 2, 2001
Inventor
Michael Waters
Assignee (at issue)
CPD Associates 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.