Number | Name | Date | Kind |
---|---|---|---|
784854 | Grace | Mar 1805 | |
2186566 | Albright | Jan 1940 | |
3245407 | Mason | Apr 1966 | |
3249741 | Mills | May 1966 | |
3395786 | Rosema | Aug 1968 | |
3639917 | Althouse | Feb 1972 | |
3818181 | Benard | Jun 1974 | |
3912565 | Koch et al. | Oct 1975 | |
4050462 | Woon et al. | Sep 1977 | |
4298331 | Mueller | Nov 1981 | |
4300967 | Sigl | Nov 1981 | |
4333003 | Rivera | Jun 1982 |
Number | Date | Country |
---|---|---|
2016262 | Sep 1979 | GBX |
2136678 | Sep 1984 | GBX |
Entry |
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Perrotta, Frank, "Heating With Far Infra-Red", Plastics Engineering, Aug. 1953, pp. 109-111, 114, 115. |
Trad Publication "Process Heat", from GTE-Sylvania, Lighting Products Group-pp. 36-39 & Cover. |