05035009 is referenced by 108 patents and cites 13 patents.

A protective helmet and liner therefor includes a sheet of sound deadening material which fits between impact force absorbing pad structures disposed on the interior of the protective helmet.

Title
Protective helmet and liner
Application Number
7/589387
Publication Number
5035009
Application Date
September 27, 1990
Publication Date
July 30, 1991
Inventor
Nelson Kraemer
Mt. Prospect
IL, US
James C Wingo Jr
Stafford
TX, US
Agent
Ben D Tobor
Assignee
Riddell
IL, US
IPC
A42B 3/00
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