Granted Patent
Utility
US 4,906,260 · App. 07/336,509
Self-priming intravenous filter
Inventors:
William C. Emheiser, Robert E. Corbett
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Apr 12, 1989
Inventors
William C. Emheiser
Robert E. Corbett
Assignee (at issue)
Gelman Sciences
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.