Granted Patent
Utility
US 5,404,887 · App. 08/147,724
Guide wire having an unsmooth exterior surface
Inventor:
Richard R. Prather
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Nov 4, 1993
Inventor
Richard R. Prather
Assignee (at issue)
Scimed Life Systems, 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.