Granted Patent
Utility
US 6,695,817 · App. 09/614,001
Medical valve with positive flow characteristics
Inventor:
Thomas F. Fangrow
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jul 11, 2000
Inventor
Thomas F. Fangrow
Assignee (at issue)
ICU Medical. Inc.
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.