Mitchell; Hal D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mitchell; Hal D..The latest application filed is for "athletic pad".
- Mitchell; Hal D. - Licking MO
- Mitchell; Hal D. - Rolla MO
- Mitchell; Hal D. - Richmond VA
- Mitchell; Hal D. - Shrewsbury MO
- Mitchell; Hal D. - Aptos CA
| Patent | Date |
|---|---|
| Athletic pad Grant 5,054,121 - Mitchell October 8, 1 | 1991-10-08 |
| Clipboard ballistic shield Grant 4,919,037 - Mitchell April 24, 1 | 1990-04-24 |
| Football jersey Grant D304,258 - Mitchell , et al. October 31, 1 | 1989-10-31 |
| Football shoulder pads with accordian-hinge flap Grant 4,868,925 - Mitchell September 26, 1 | 1989-09-26 |
| Athletic pants Grant 4,850,056 - Gardner , et al. July 25, 1 | 1989-07-25 |
| Method of fabricating a ball-striking implement Grant 4,844,460 - Mitchell , et al. July 4, 1 | 1989-07-04 |
| Shock attenuation structure Grant 4,627,114 - Mitchell December 9, 1 | 1986-12-09 |
| Shock attenuation system Grant 4,558,470 - Mitchell , et al. December 17, 1 | 1985-12-17 |
| Shock attenuation system Grant 4,534,068 - Mitchell , et al. August 13, 1 | 1985-08-13 |
| Shock attenuation system for headgear Grant 4,484,364 - Mitchell , et al. November 27, 1 | 1984-11-27 |
| Suspension system for headgear Grant 4,407,021 - Kralik , et al. October 4, 1 | 1983-10-04 |
| Shoulder pad Grant 4,322,859 - Mitchell April 6, 1 | 1982-04-06 |
| Shoulder pad Grant 4,295,227 - Mitchell October 20, 1 | 1981-10-20 |
| Shoulder pad Grant 4,158,242 - Mitchell June 19, 1 | 1979-06-19 |
| Shoulder pad Grant 4,135,252 - Latina , et al. January 23, 1 | 1979-01-23 |
| Campers tenting with a combination of entry and support means Grant 4,068,674 - Mitchell January 17, 1 | 1978-01-17 |
| Athletic shoe Grant 4,010,559 - Mitchell March 8, 1 | 1977-03-08 |
| Athletic Protective Equipment Grant 3,771,171 - Mitchell November 13, 1 | 1973-11-13 |
| Football Shoulder Pad Grant 3,740,763 - Mitchell June 26, 1 | 1973-06-26 |
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