Granted Patent
Utility
US 6,503,158 · App. 09/796,760
Dual non-circular dimple for golf balls
Inventors:
Daniel Murphy, Mark L. Binette
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Mar 1, 2001
Inventors
Daniel Murphy
Mark L. Binette
Assignee (at issue)
Spalding Sports Worldwide, Inc.
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.