Granted Patent
Utility
US 6,558,798 · App. 09/876,556
Hydrophilic coating and substrates coated therewith having enhanced durability and lubricity
Inventors:
Shengping Zhong, George Nunez, Eric Welch
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Jun 7, 2001
Inventors
Shengping Zhong
George Nunez
Eric Welch
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.