Granted Patent
Utility
US 6,527,653 · App. 09/800,453
Pentagonal hexecontahedron dimple pattern on golf balls
Inventors:
Douglas C. Winfield, Steven Aoyama
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Mar 5, 2001
Inventors
Douglas C. Winfield
Steven Aoyama
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.