Granted Patent
Utility
US 5,180,304 · App. 07/804,835
Method for apical fusion of the foramina
Inventors:
Arthur Vassiliadis, Joseph W. Shaffer, David J. Fullmer, Michael H. Brewer, David R. Hennings, Terry D. Myers
Patented Case
View Patent ↗
Granted: Jan 19, 1993
Filed: Dec 6, 1991
Inventors
Arthur Vassiliadis
Joseph W. Shaffer
David J. Fullmer
Michael H. Brewer
David R. Hennings
Terry D. Myers
Assignee (at issue)
American Dental Laser, 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.