Inventor · disambiguated record
Bradford Johnstone
Also filed as: JOHNSTONE BRADFORD
8 granted patents·227 citations·filing 1985–2008
89Inventor score
Top patents by PatentIndex Score
8 records- 0192US4782762AWell car end girder arrangementTRINITY IND INC·Filed 1987·Granted Nov 8, 1988·74 cites·17 claims
- 0289US7527003B1Railroad freight car sidebearingASF KEYSTONE INC·Filed 2008·Granted May 5, 2009·18 cites·22 claims
- 0386US7549379B2Railway freight car side bearingAMSTED RAIL CO INC·Filed 2006·Granted Jun 23, 2009·16 cites·24 claims
- 0482US5017066AWell car adjustable guide apparatusTRINITY IND INC·Filed 1990·Granted May 21, 1991·50 cites·20 claims
- 0579US7546807B2Constant contact side bearingAMSTED RAIL CO INC·Filed 2006·Granted Jun 16, 2009·12 cites·17 claims
- 0674US4741274AHopper door operating mechanismTRINITY IND·Filed 1986·Granted May 3, 1988·42 cites·25 claims
- 0736US4651650AAxle stabilizer for railway truckPULLMAN STANDARD INC·Filed 1985·Granted Mar 24, 1987·6 cites·19 claims
- 0835US5109776AGondola type railway car with snug fitting center plate arrangementTRINITY IND INC·Filed 1990·Granted May 5, 1992·9 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →