Granted Patent
Utility
US 6,378,148 · App. 09/057,139
Patient transfer system
Inventor:
Thomas W. Votel
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Apr 8, 1998
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.