Granted Patent
Utility
US 5,785,641 · App. 08/646,925
Male indwelling urethral catheter sizing system and insertion method
Inventor:
Richard C. Davis
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: May 8, 1996
Inventor
Richard C. Davis
Assignee (at issue)
Urocath 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.