Granted Patent
Utility
US 6,083,218 · App. 08/676,695
Method and apparatus for removing dental caries by using laser radiation
Inventor:
Mau-Song Chou
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Jul 10, 1996
Inventor
Mau-Song Chou
Assignee (at issue)
TRW Limited
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.