Granted Patent
Utility
US 5,403,291 · App. 08/101,520
Catheter with elongated side holes
Inventor:
Timothy A. Abrahamson
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Aug 2, 1993
Inventor
Timothy A. Abrahamson
Assignee (at issue)
QuinTron Instrument Company, 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.