U.S. patent number D267,287 [Application Number 06/186,717] was granted by the patent office on 1982-12-21 for pneumatic liner for protective headgear. This patent grant is currently assigned to The Regents of the University of Michigan. Invention is credited to Elwyn R. Gooding.
United States Patent | D267,287 |
Gooding | December 21, 1982 |
Inventors: | Gooding; Elwyn R. (Ann Arbor, MI) |
---|---|
Assignee: | The Regents of the University of
Michigan (Ann Arbor, MI) |
Appl. No.: | 06/186,717 |
Filed: | September 11, 1980 |
Current U.S. Class: | D29/122 |
Current International Class: | D0203 |
Field of Search: | ;D2/230,231,232,233,260,261,262 ;2/410,411,413,414 |
3153792 | October 1964 | Marietta |
3609764 | October 1971 | Morgan |
3849801 | November 1974 | Holt et al. |
3866243 | February 1975 | Morgan |
"Riddell's Micro-Fit Helmet", Flyer, front cover, Helmet facing front.. |
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