Granted Patent
Utility
US 6,428,614 · App. 09/608,587
Dental porcelains
Inventors:
Dmitri Brodkin, Carlino Panzera, Paul Panzera
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Jun 29, 2000
Inventors
Dmitri Brodkin
Carlino Panzera
Paul Panzera
Assignee (at issue)
Jeneric/Pentron Incorporated
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.