Granted Patent
Utility
US 5,890,974 · App. 08/665,147
Tetrahedral dimple pattern golf ball
Inventors:
Joseph F. Stiefel, Dennis Nesbitt
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jun 13, 1996
Inventors
Joseph F. Stiefel
Dennis Nesbitt
Assignee (at issue)
Lisco 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.