Granted Patent
Utility
US 6,793,979 · App. 10/675,975
Hydrophilic DLC on substrate with UV exposure
Inventor:
Vijayen S. Veerasamy
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Oct 2, 2003
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.