Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7209028 | Position sensor with resistive element A position sensor comprises a resistive element positionable on a first surface. A pair of leads are on the resistive element, the pair of leads adapted to supply a first voltage, such as by being grounded. An intermediate lead is positioned on the resistive element... | 04/24/2007 |
| 7049926 | Single and multi layer variable voltage protection devices and method of making same Disclosed is a variable voltage protection device for electronic devices which in one aspect comprises a thin layer of neat dielectric polymer or glass positioned between a ground plane and an electrical conductor for overvoltage protection, wherein the neat polymer... | 05/23/2006 |
| 6935554 | Metal/ceramic bonding article and method for producing same There is provided a method for producing a metal/ceramic bonding article, the method including the steps of: arranging a metal plate 12 of an overall-rate solid solution type alloy on a ceramic substrate 10; and heating the metal plate 12 and th... | 08/30/2005 |
| 6466152 | Resistor cascade for forming electrical reference quantities and analog/digital converter A resistor cascade has a multiplicity of electrical resistors connected in series, and each electrical resistor has at least one single-walled carbon nanotube.... | 10/15/2002 |
| 6215388 | Parallel connected PTC elements A plurality of PTC material layers and a plurality of metal plates are sandwiched together with one adjacent pair of metal plates connected in series through one layer of PTC material. The remaining PTC material layers are connected in parallel with the o... | 04/10/2001 |
| 5382382 | Sheet-like heating elements and preparation thereof A sheet-like heating element using an electrically conductive polymer complex consisting of a) a polycation of polyheteroaromatic compound; and b) a polyanion of thermoplastic polymer, containing a sulfated alcohol group in the repeating structural unit, ... | 01/17/1995 |
| 5208576 | Electrical external resistance An electrical external resistor with a plate-like, electrical insulating carrier element and a flat resistance element arranged on the upper side of the carrier element. The carrier element has several films forming a closed coating and varying in their e... | 05/04/1993 |
| 4780790 | Electric device An electronic device is provided which has a function of an organic film condensor. The device comprises a plural number of electroconductive layers each comprising a monomolecular film of an organic molecule having both of an electroconductive site and a... | 10/25/1988 |
| 4713524 | PTC fuel heater for heating alcohol fuel A fuel heater for vaporization of an alcohol fuel from a fuel line to an internal combustion engine for delivering vaporous fuel to a carburetor. The fuel heater includes a stack of generally planar foraminous PTC heaters that are arranged in a container ... | 12/15/1987 |
| 4412183 | AC Resistor attenuator and associated amplifier circuits An AC resistor attenuator with low parasitic capacitance coupling and, thus, a substantially constant attenuation value over a relatively wide frequency range is disclosed. The AC resistor attenuator comprises a first elongate resistor substantially entir... | 10/25/1983 |
| 3934117 | Electric fluid heating device An electric heating device for heating fluid media includes a plurality of disc-shaped porous bodies each consisting of a plurality of felted togehter polycrystaline metal whiskers grown out of a gas phase and connected each to one another at their points... | 01/20/1976 |
