Inventor
MITCHELL HAL D
US25 patents
⚠️ This page may combine multiple inventors who share the name “MITCHELL HAL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FIGGIE INT INC
14 patentsUS4627114ADec 9, 1986
Shock attenuation structure
FIGGIE INT INC133 citations96
US4558470ADec 17, 1985
Shock attenuation system
FIGGIE INT INC134 citations94
US4534068AAug 13, 1985
Shock attenuation system
FIGGIE INT INC139 citations94
US5054121AOct 8, 1991
Athletic pad
FIGGIE INT INC32 citations92
US4850056AJul 25, 1989
Athletic pants
FIGGIE INT INC58 citations92
USD304258SOct 31, 1989
Football jersey
FIGGIE INT INC26 citations91
US4698849AOct 13, 1987
Football jersey
FIGGIE INT INC50 citations91
US4868925ASep 26, 1989
Football shoulder pads with accordian-hinge flap
FIGGIE INT INC19 citations82
US4407021AOct 4, 1983
Suspension system for headgear
FIGGIE INT INC22 citations80
US4844460AJul 4, 1989
Method of fabricating a ball-striking implement
FIGGIE INT INC22 citations76
US4715066ADec 29, 1987
Shoulder pad
FIGGIE INT INC14 citations73
US4680814AJul 21, 1987
Shoulder pad spring arch system
FIGGIE INT INC10 citations73
US4679253AJul 14, 1987
Shoulder pad truss arch system
FIGGIE INT INC14 citations73
US4435851AMar 13, 1984
Flap hinge for a shoulder pad
FIGGIE INT INC10 citations73
ATO INC
8 patentsUS4322859AApr 6, 1982
Shoulder pad
ATO INC41 citations92
US4320537AMar 23, 1982
Shoulder pad
ATO INC34 citations92
US4295227AOct 20, 1981
Shoulder pad
ATO INC47 citations92
US4158242AJun 19, 1979
Shoulder pad
ATO INC32 citations92
US4484364ANov 27, 1984
Shock attenuation system for headgear
ATO INC82 citations91
US4010559AMar 8, 1977
Athletic shoe
ATO INC24 citations82
US4135252AJan 23, 1979
Shoulder pad
ATO INC21 citations81
US4423524AJan 3, 1984
Suspension system for headgear
ATO INC10 citations72