HM

Hal D. Mitchell

FI Figgie Inernational: 14 patents #1 of 147Top 1%
AB Ato Bv: 5 patents #2 of 49Top 5%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #198,976 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5415564 Junction box for quick release mounting of electrical circuit components Craig Winter, Robert J. M. Curmpton 1995-05-16
5275196 Pressure relief valve for tire rim Hugh A. Mitchell 1994-01-04
5054121 Athletic pad 1991-10-08
4919037 Clipboard ballistic shield 1990-04-24
D304258 Football jersey James Dennis Gardner 1989-10-31
4868925 Football shoulder pads with accordian-hinge flap 1989-09-26
4850056 Athletic pants James Dennis Gardner, Paul F. Stickley, Alvin E. Taylor, Edward J. Wilson 1989-07-25
4844460 Method of fabricating a ball-striking implement Roger J. Lueckenhoff 1989-07-04
4715066 Shoulder pad Donald R. Walker 1987-12-29
4698849 Football jersey James Dennis Gardner 1987-10-13
4680814 Shoulder pad spring arch system Donald R. Walker 1987-07-21
4679253 Shoulder pad truss arch system Donald R. Walker 1987-07-14
4627114 Shock attenuation structure 1986-12-09
4558470 Shock attenuation system Richard Glover, Donald R. Walker, Isadore Rosenberg 1985-12-17
4534068 Shock attenuation system Richard Glover, Donald R. Walker, Isadore Rosenberg 1985-08-13
4484364 Shock attenuation system for headgear David C. Rust 1984-11-27
4435851 Flap hinge for a shoulder pad Donald R. Walker 1984-03-13
4423524 Suspension system for headgear Douglas R. Kralik 1984-01-03
4407021 Suspension system for headgear Douglas R. Kralik 1983-10-04
4322859 Shoulder pad 1982-04-06
4320537 Shoulder pad 1982-03-23
4295227 Shoulder pad 1981-10-20