Inventor · disambiguated record
Ronald S. Butcher
Also filed as: BUTCHER RONALD S
7 granted patents·272 citations·filing 1986–1996
89Inventor score
Files withNAT STEEL CAR LTD6
Top patents by PatentIndex Score
7 records- 0193US5520489ARetractable guide assembly for changing the effective width of a railroad freight car container wellNAT STEEL CAR LTD·Filed 1994·Granted May 28, 1996·67 cites·11 claims
- 0288US4802420ACentre beam railroad carNAT STEEL CAR LTD·Filed 1987·Granted Feb 7, 1989·55 cites·8 claims
- 0381US5465670ARailroad freight car having an improved structural supportNAT STEEL CAR LTD·Filed 1994·Granted Nov 14, 1995·48 cites·9 claims
- 0470US5501556ARetractable guide assembly for changing the effective width of a railroad freight car container wellFiled 1995·Granted Mar 26, 1996·29 cites·8 claims
- 0569US5842821AContainer support pedestalNAT STEEL CAR LTD·Filed 1995·Granted Dec 1, 1998·30 cites·25 claims
- 0668US5749686APivotable sidewall mounted container stop for railcar wellNAT STEEL CAR LTD·Filed 1996·Granted May 12, 1998·29 cites·14 claims
- 0753US4784548ADouble-stacked freight carNAT STEEL CAR LTD·Filed 1986·Granted Nov 15, 1988·14 cites·8 claims
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