Granted Patent
Utility
US 4,880,241 · App. 07/184,910
Golf ball
Inventors:
Terrence S. Melvin, R. Dennis Nesbitt
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Apr 22, 1988
Inventors
Terrence S. Melvin
R. Dennis Nesbitt
Assignee (at issue)
Spalding & Evenflo Companies, 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.