Granted Patent
Utility
US 5,290,248 · App. 07/892,593
Sideport connector for catherization system
Inventors:
Steven F. Bierman, David C. Howson
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: May 28, 1992
Inventors
Steven F. Bierman
David C. Howson
Assignee (at issue)
Steven F. Bierman, M.D.
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.