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Patent applications and USPTO patent grants for Withnall; Christopher R. P..The latest application filed is for "protective sports helmet".
Patent | Date |
---|---|
Protective sports helmet Grant 10,932,514 - Ide , et al. March 2, 2 | 2021-03-02 |
Protective Sports Helmet App 20190098954 - IDE; Thad M. ;   et al. | 2019-04-04 |
Protective sports helmet Grant 10,143,257 - Ide , et al. De | 2018-12-04 |
Sports helmet Grant 10,136,692 - Ide , et al. November 27, 2 | 2018-11-27 |
Protective Sports Helmet App 20150135414 - IDE; Thad M. ;   et al. | 2015-05-21 |
Sports helmet Grant 8,938,818 - Ide , et al. January 27, 2 | 2015-01-27 |
Sports Helmet App 20140150169 - IDE; Thad M. ;   et al. | 2014-06-05 |
Sports Helmet App 20140007327 - IDE; Thad M. ;   et al. | 2014-01-09 |
Sports helmet Grant 8,528,118 - Ide , et al. September 10, 2 | 2013-09-10 |
Sports Helmet App 20110277221 - Ide; Thad M. ;   et al. | 2011-11-17 |
Sports helmet Grant 7,954,177 - Ide , et al. June 7, 2 | 2011-06-07 |
Sports helmet App 20070192944 - Ide; Thad M. ;   et al. | 2007-08-23 |
Sports helmet Grant 7,240,376 - Ide , et al. July 10, 2 | 2007-07-10 |
Sports helmet App 20050278835 - Ide, Thad M. ;   et al. | 2005-12-22 |
Football helmet Grant 6,934,971 - Ide , et al. August 30, 2 | 2005-08-30 |
Method and apparatus for testing football helmets Grant 6,871,525 - Withnall , et al. March 29, 2 | 2005-03-29 |
Method and apparatus for testing football helmets App 20040074283 - Withnall, Christopher R.P. ;   et al. | 2004-04-22 |
Football helmet App 20040025231 - Ide, Thad M. ;   et al. | 2004-02-12 |
Spine protector Grant 5,328,447 - Kapounek , et al. July 12, 1 | 1994-07-12 |
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