Granted Patent
Utility
US 5,749,109 · App. 08/834,383
Inflatable blanket having selective air flow patterns
Inventor:
Thomas F. Kappel
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Apr 16, 1997
Inventor
Thomas F. Kappel
Assignee (at issue)
MallincKrodt Medical, 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.