Granted Patent
Utility
US 6,683,152 · App. 09/921,858
Polyurethane golf club inserts
Inventors:
Shenshen Wu, Murali Rajagopalan
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Aug 2, 2001
Inventors
Shenshen Wu
Murali Rajagopalan
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.