Granted Patent
Utility
US 4,903,348 · App. 07/248,616
Helmet with strap holder
Inventor:
Lester Broersma
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Sep 26, 1988
Inventor
Lester Broersma
Assignee (at issue)
Bell Bicycles, 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.