Granted Patent
Utility
US 5,774,901 · App. 08/689,896
Sport helmet retention apparatus
Inventor:
Don S. Minami
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Aug 15, 1996
Inventor
Don S. Minami
Assignee (at issue)
Bell Sports, 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.