Granted Patent
Utility
US 6,012,923 · App. 09/126,511
Two-piece dental abutment with removable cuff
Inventors:
Jeffrey Bassett, Peter S. Armstrong, Carl Pettersen, Philip Scott Lyren
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Jul 30, 1998
Inventors
Jeffrey Bassett
Peter S. Armstrong
Carl Pettersen
Philip Scott Lyren
Assignee (at issue)
Sulzer Calcitek Inc.
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.