Granted Patent
Utility
US 6,300,390 · App. 09/306,628
Dental restorative composite
Inventor:
Christos Angeletakis
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: May 6, 1999
Inventor
Christos Angeletakis
Assignee (at issue)
Kerr Corporation
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.