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| Number | Title | Issue Date |
| 6211770 | Metal oxide varistor module A metal oxide varistor module, and variations thereof for use in surge protectors and the like combining internally a thermally activated disconnect means and an excessive current disconnect means, such that when the module is subject to excessive overvol... | 04/03/2001 |
| 4639710 | Foot pedal for varying resistance in an electrical circuit A foot pedal for varying resistance in an electrical circuit having an on-off control is formed having a base member with an actuator foot plate cover pivotally mounted thereto; an array of circular members is positioned in a circular recess between said ... | 01/27/1987 |
| 4487270 | Electric tool, particularly a handtool, with torque control A power tool has an electric motor with a motor shaft having a spiral gear through which the motor drives the tool. A pressure sensor is disposed so as to be subjected to the axial thrust of the motor shaft created by the spiral gear during operation of t... | 12/11/1984 |
| 4292261 | Pressure sensitive conductor and method of manufacturing the same A pressure sensitive conductor comprising an elastomer containing from 3 to 40% by volume of electrically conductive magnetic particles, which particles are dispersed in the elastomer so that high-sensitivity pressure sensitive conductor portions and insu... | 09/29/1981 |
