Granted Patent
Utility
US 6,496,991 · App. 09/545,538
Device for patient pullup, rollover, and transfer and methods therefor
Inventor:
Thomas W. Votel
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Apr 7, 2000
Inventor
Thomas W. Votel
Assignee (at issue)
Ergodyne 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.