Granted Patent
Utility
US 6,010,442 · App. 09/220,085
Golf ball with secondary depressions
Inventors:
Lane D. Lemons, Matthew B. Stanczak
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Dec 23, 1998
Inventors
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.