Granted Patent
Utility
US 6,709,706 · App. 10/387,380
Hydrophilic coating and substrates coated therewith having enhanced durablity and lubricity
Inventors:
Shengping Zhong, George Nunez, Eric Welch
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Mar 14, 2003
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.