Inventor · disambiguated record
Hal D. Mitchell
Also filed as: MITCHELL HAL · MITCHELL HAL D
26 granted patents·1,133 citations·filing 1976–1994
97Inventor score
Top patents by PatentIndex Score
26 records- 0195US4558470AShock attenuation systemFIGGIE INT INC·Filed 1982·Granted Dec 17, 1985·134 cites·12 claims
- 0295US4534068AShock attenuation systemFIGGIE INT INC·Filed 1984·Granted Aug 13, 1985·139 cites·11 claims
- 0394US4627114AShock attenuation structureFIGGIE INT INC·Filed 1984·Granted Dec 9, 1986·133 cites·23 claims
- 0488US4484364AShock attenuation system for headgearATO INC·Filed 1983·Granted Nov 27, 1984·82 cites·21 claims
- 0587USD304258SFootball jerseyFIGGIE INT INC·Filed 1987·Granted Oct 31, 1989·26 cites·1 claims
- 0686US4919037AClipboard ballistic shieldAMERICAN PROTECTIVE EQUIPMENT·Filed 1988·Granted Apr 24, 1990·51 cites·7 claims
- 0783US5415564AJunction box for quick release mounting of electrical circuit componentsFiled 1994·Granted May 16, 1995·68 cites·6 claims
- 0877US4295227AShoulder padATO INC·Filed 1980·Granted Oct 20, 1981·47 cites·7 claims
- 0974US4322859AShoulder padATO INC·Filed 1980·Granted Apr 6, 1982·41 cites·12 claims
- 1071US4158242AShoulder padATO INC·Filed 1977·Granted Jun 19, 1979·32 cites·5 claims
- 1169US4850056AAthletic pantsFIGGIE INT INC·Filed 1987·Granted Jul 25, 1989·58 cites·7 claims
- 1268US4698849AFootball jerseyFIGGIE INT INC·Filed 1987·Granted Oct 13, 1987·50 cites·18 claims
- 1367US4320537AShoulder padATO INC·Filed 1980·Granted Mar 23, 1982·34 cites·10 claims
- 1462US5054121AAthletic padFIGGIE INT INC·Filed 1990·Granted Oct 8, 1991·32 cites·15 claims
- 1559US4407021ASuspension system for headgearFIGGIE INT INC·Filed 1981·Granted Oct 4, 1983·22 cites·15 claims
- 1657US4068674ACampers tenting with a combination of entry and support meansMITCHELL HAL D·Filed 1976·Granted Jan 17, 1978·19 cites·5 claims
- 1755US4135252AShoulder padATO INC·Filed 1977·Granted Jan 23, 1979·21 cites·5 claims
- 1850US5275196APressure relief valve for tire rimMITCHELL HUGH A·Filed 1993·Granted Jan 4, 1994·21 cites·13 claims
- 1950US4010559AAthletic shoeATO INC·Filed 1976·Granted Mar 8, 1977·24 cites·9 claims
- 2048US4868925AFootball shoulder pads with accordian-hinge flapFIGGIE INT INC·Filed 1988·Granted Sep 26, 1989·19 cites·17 claims
- 2146US4844460AMethod of fabricating a ball-striking implementFIGGIE INT INC·Filed 1987·Granted Jul 4, 1989·22 cites·4 claims
- 2243US4423524ASuspension system for headgearATO INC·Filed 1981·Granted Jan 3, 1984·10 cites·22 claims
- 2341US4715066AShoulder padFIGGIE INT INC·Filed 1986·Granted Dec 29, 1987·14 cites·12 claims
- 2440US4679253AShoulder pad truss arch systemFIGGIE INT INC·Filed 1986·Granted Jul 14, 1987·14 cites·14 claims
- 2536US4435851AFlap hinge for a shoulder padFIGGIE INT INC·Filed 1982·Granted Mar 13, 1984·10 cites·19 claims
- 2635US4680814AShoulder pad spring arch systemFIGGIE INT INC·Filed 1986·Granted Jul 21, 1987·10 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →