Granted Patent
Utility
US 4,911,451 · App. 07/330,383
Golf ball cover of neutralized poly(ethylene-acrylic acid) copolymer
Inventors:
Michael J. Sullivan, Terence Melvin, R. Dennis Nesbitt
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Mar 29, 1989
Inventors
Michael J. Sullivan
Terence Melvin
R. Dennis Nesbitt
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.