Granted Patent
Utility
US 6,206,958 · App. 09/354,082
Dental porcelain compositions
Inventors:
Paul Panzera, Jana N. Pruden, Dmitri Brodkin, Lisa M. Kaiser, Richard A. Brightly, Carlino Panzera
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jul 15, 1999
Inventors
Paul Panzera
Jana N. Pruden
Dmitri Brodkin
Lisa M. Kaiser
Richard A. Brightly
Carlino 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.