Granted Patent
Utility
US 5,331,027 · App. 08/067,253
Lubricious hydrophilic coating, resistant to wet abrasion
Inventor:
Richard J. Whitbourne
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: May 25, 1993
Inventor
Richard J. Whitbourne
Assignee (at issue)
Sterilization Technical Services, 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.