Granted Patent
Utility
US 5,235,713 · App. 07/788,303
Fluid filled flotation mattress
Inventors:
Brian Guthrie, Keith Gilroy, Henry Canino
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Nov 5, 1991
Inventors
Brian Guthrie
Keith Gilroy
Henry Canino
Assignee (at issue)
Bio Clinic Corporation
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.