Granted Patent
Utility
US 6,679,243 · App. 09/935,204
Brazed diamond tools and methods for making
Inventor:
Chien-Min Sung
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Aug 22, 2001
Inventor
Chien-Min Sung
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.