Granted Patent
Utility
US 6,174,247 · App. 09/131,887
Multi-piece solid golf ball
Inventors:
Hiroshi Higuchi, Yasushi Ichikawa, Hisashi Yamagishi, Junji Hayashi, Akira Kawata
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Aug 10, 1998
Inventors
Hiroshi Higuchi
Yasushi Ichikawa
Hisashi Yamagishi
Junji Hayashi
Akira Kawata
Assignee (at issue)
Bridgestone Sports Co., Ltd.
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.