Granted Patent
Utility
US 6,682,442 · App. 09/779,363
Dimple patterns on golf balls
Inventor:
Douglas C. Winfield
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Feb 8, 2001
Inventor
Douglas C. Winfield
Assignee (at issue)
Acushnet Company
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.