Granted Patent
Utility
US 6,592,992 · App. 09/899,176
Hydrophilic coating including DLC
Inventor:
Vijayen S. Veerasamy
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Jul 6, 2001
Inventor
Vijayen S. Veerasamy
Assignee (at issue)
Guardian Industries Corp.
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.