Granted Patent
Utility
US 6,073,271 · App. 09/296,007
Football helmet with inflatable liner
Inventors:
Cherie Alexander, Peter David Halstead, Brian G. Howard
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Apr 21, 1999
Inventors
Cherie Alexander
Peter David Halstead
Brian G. Howard
Assignee (at issue)
Adams USA, 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.