Number | Name | Date | Kind |
---|---|---|---|
1973142 | Day et al. | Sep 1934 | |
2315882 | Trimble et al. | Apr 1943 | |
2381304 | Merrill | Aug 1945 | |
4068639 | Cook | Jan 1978 | |
4227497 | Mathieson | Oct 1980 | |
4335697 | McLean | Jun 1982 |
Entry |
---|
Popular Mechanics, p. 16, Aug. 1979, "Dual Fuel Engergy Option". |