Number | Name | Date | Kind |
---|---|---|---|
3564201 | Jones et al. | Feb 1971 | |
3603764 | Martin | Sep 1971 | |
4107512 | Brandenburg, Jr. | Aug 1978 | |
4798192 | Maruko | Jan 1989 | |
5429112 | Rozzi | Jul 1995 |
Number | Date | Country |
---|---|---|
2201320 | Aug 1988 | GBX |
2204220 | Aug 1988 | GBX |
Entry |
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Fasco Industries Inc. Adv Brochure, p. 6, Radiant Wall Heater, middle right side of page. |
Space-Ray "Cold Blocker Infrared Gas Tube Heaters Flyer", Feb. 1995 (1 page). |
"Todays Choice in Gas Infra-Red Radiant Tube Heater" Advertising Brochure by Sun Technology Corp. (2 pages). |