Granted Patent
Utility
US 6,286,498 · App. 09/399,573
Metal bond diamond tools that contain uniform or patterned distribution of diamond grits and method of manufacture thereof
Inventor:
Chien-Min Sung
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Sep 20, 1999
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.