Granted Patent
Utility
US 6,270,428 · App. 09/353,905
Heavy filler in golf ball cores
Inventor:
Sanjay Kuttappa
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Jul 15, 1999
Inventor
Sanjay Kuttappa
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.