Granted Patent
Utility
US 5,735,890 · App. 08/544,792
Inflatable blanket having access slits
Inventors:
Thomas F. Kappel, Philip M. Metzler
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Oct 18, 1995
Inventors
Thomas F. Kappel
Philip M. Metzler
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.