Granted Patent
Utility
US 6,455,029 · App. 09/690,236
Dental impression material utilizing ruthenium catalyst
Inventors:
Christos Angeletakis, Mingfei Chen
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Oct 17, 2000
Inventors
Christos Angeletakis
Mingfei Chen
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.