Number | Name | Date | Kind |
---|---|---|---|
2487863 | Garretson | Nov 1949 | |
2956412 | Loebeck | Jan 1959 | |
3710584 | Leonard | Jan 1973 | |
5127230 | Neeser et al. | Jul 1992 | |
5163409 | Gusfatson et al. | Nov 1992 |
Entry |
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Abstract; "LNG-The Sensible Alternative For Medium To Heavy Duty Vehicles"; by George W. Kalet; Oct., 1991. |