Number | Date | Country | Kind |
---|---|---|---|
58-197894 | Oct 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1125889 | Smith | Jan 1915 | |
1276930 | Kemper et al. | Aug 1918 | |
1317491 | Haiss | Sep 1919 | |
1366554 | Blackburn | Jan 1921 | |
1388488 | Senn | Aug 1921 | |
1811829 | Folberth et al. | Jun 1931 | |
3876844 | Scherenberg | Apr 1975 | |
3948118 | Garbin | Apr 1976 |
Number | Date | Country |
---|---|---|
1287168 | Jan 1962 | FRX |
2364801 | May 1978 | FRX |
436929 | Jun 1948 | ITX |
Entry |
---|
"Peltier Coolers" Hughes Aircraft Company, pp. 1-21, Jul. 7, 1961. |