Granted Patent
Utility
US 6,428,428 · App. 09/483,641
Large core golf ball
Inventors:
Sanjay Kuttappa, Lane D. Lemons, Matthew B. Stanczak
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Jan 14, 2000
Inventors
Sanjay Kuttappa
Lane D. Lemons
Matthew B. Stanczak
Assignee (at issue)
Dunlop Maxfli Sports
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.