Number | Name | Date | Kind |
---|---|---|---|
2870828 | Hess | Jan 1959 | |
3494350 | Perl | Feb 1970 | |
3586825 | Hurley | Jun 1971 | |
3785364 | Reid, Jr. et al. | Jan 1974 | |
3968785 | Perl | Jul 1976 | |
4067681 | Reid, Jr. et al. | Jan 1978 | |
4972823 | Stadin | Nov 1990 |
Number | Date | Country |
---|---|---|
0231333 | Oct 1986 | JPX |
Entry |
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"Gas Cooker without Flames", Schott, 1981. |