Granted Patent
Utility
US 5,865,408 · App. 08/826,614
Footstand for chest drainage unit
Inventors:
David Rork Swisher, Robert Walsh, Eugene E. Weilbacher, Jacky S. Yam
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Apr 4, 1997
Inventors
David Rork Swisher
Robert Walsh
Eugene E. Weilbacher
Jacky S. Yam
Assignee (at issue)
Tyco Group S.a.r.l.
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.