Granted Patent
Utility
US 6,226,801 · App. 09/450,492
Football helmet having a removable inflatable liner and a method for making the same
Inventors:
Cherie Alexander, Peter David Halstead, Brian G. Howard
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Nov 29, 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.