Granted Patent
Utility
US 6,777,030 · App. 10/003,436
Method of ion beam milling a glass substrate prior to depositing a coating system thereon, and corresponding system for carrying out the same
Inventors:
Vijayen S. Veerasamy, Rudolph Hugo Petrmichl
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Dec 6, 2001
Inventors
Vijayen S. Veerasamy
Rudolph Hugo Petrmichl
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.