|
| US4300280 | 25 Mar 1980 | 17 Nov 1981 | Braun A.G. | Hair dryer and method for producing a heating element therefor |
| US4556811 | 26 Oct 1984 | 3 Dic 1985 | Electric Indicator Company, Inc. | Coil unit and coil form for electrical machines |
| US4857707 | 11 Abr 1988 | 15 Ago 1989 | Whirpool Corporation | Flexible frame heater element for dryer |
| US5296685 | 9 Abr 1993 | 22 Mar 1994 | Quartz Tubing, Inc. | Heating coil structures |
| US5353370 | 11 Mar 1993 | 4 Oct 1994 | Calspan Corporation | Non-uniform temperature profile generator for use in short duration wind tunnels |
| US6737616 | 2 Abr 2003 | 18 May 2004 | Tutco, Inc. | Open coil electric resistance heater using twisted resistance wires and methods of making |