Granted Patent
Utility
US 6,653,607 · App. 09/880,725
Heating pad systems, such as for patient warming applications
Inventors:
Kent D. Ellis, Charles C. Wyatt
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jun 12, 2001
Inventors
Kent D. Ellis
Charles C. Wyatt
Assignee (at issue)
American HealthCare Products, 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.