Granted Patent
Utility
US 6,497,573 · App. 09/977,773
Composite dental abutment
Inventors:
William R. Wagner, Robert L. Riley, George Tysowsky
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Oct 15, 2001
Inventors
William R. Wagner
Robert L. Riley
George Tysowsky
Assignee (at issue)
Centerpulse Dental 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.