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| Number | Title | Issue Date |
| 6013903 | Flame reaction material carrier and method of manufacturing flame reaction member A flame reaction member for a gas appliance has a flame reaction material carrier having a coiled or looped flame reaction material holding portion and flame reaction material carried on the flame reaction material holding portion. When manufacturing such... | 01/11/2000 |
| 5059939 | Variable resistor device A push button variable resistor device includes a hollow push button seat member confining a receiving space, and at least one resistor piece fixed inside the seat member. The resistor piece has a contact portion and at least one leg portion projecting ou... | 10/22/1991 |
| 4811479 | Process for producing potentiometer resistances A winding (12) is wound around a core (10) having a circular cross-section. The wound core (10) is then deformed by pressure between flat surfaces (14, 16) until a flat contact surface is created which allows the use of sliding brushes, for example.... | 03/14/1989 |
| 4754124 | Resistance heaters A resistance heater for performing heat treatment of the braze-affected area of a metallic sleeve attached by brazing within and to a metallic tube, comprises a metal tube (10) of which a portion (16) is formed with a spiral groove (11) which penetrates t... | 06/28/1988 |
