Granted Patent
Utility
US 6,814,130 · App. 10/002,395
Methods of making diamond tools using reverse casting of chemical vapor deposition
Inventor:
Chien-Min Sung
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Oct 19, 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.