Granted Patent
Utility
US 6,039,641 · App. 08/835,117
Brazed diamond tools by infiltration
Inventor:
Chien-Min Sung
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Apr 4, 1997
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.