Granted Patent
Utility
US 4,771,782 · App. 06/931,273
Method and assembly for introducing multiple catheters into a biological vessel
Inventor:
Huntly D. Millar
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Nov 14, 1986
Inventor
Huntly D. Millar
Assignee (at issue)
Millar Instruments
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.