William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8052490 | Device for electrically conductive contacting a pipe There is provided a device for electrically conductive contacting of a pipe having a band shaped metallic clamp (2) with two end parts (6, 7), wherein the clamp is equipped with parts of a closing device (11, 13, 14) at both end parts. The devic... | 11/08/2011 |
| 7416454 | Dual size stud electrical connector An electrical connector for clamping securely onto a threaded shaft includes a transformer bar, a connector body, a clamping component, and at least two columns for receiving streetlight taps. The transformer bar has a plurality of conductor bores, a distal end, and... | 08/26/2008 |
| 7351120 | Adjustable impedance electrical connector Disclosed is an adjustable electrical connector. The connector includes a moveable structure including a plurality of return signal conductors disposed on a moveable block, and a fixed structure including a plurality of signal conductors. Each signal return conducto... | 04/01/2008 |
| 7334452 | Method for characterizing materials by using a mechanical resonator Methods for monitoring a fluid composition include placing a mechanical resonator in the fluid composition and oscillating the resonator. The resonator can be a tuning fork resonator having tines oscillated in opposite directions and in opposite phases. A variable f... | 02/26/2008 |
| 7262974 | Techniques for alleviating the need for DC blocking capacitors in high-speed differential signal pairs A circuit board has a first component interface configured to connect to a first circuit board component, a second component interface configured to connect to a second circuit board component, a differential signal pair electrically connecting the first component i... | 08/28/2007 |
| 7137830 | Miniaturized contact spring This invention provides a solution to increase the yield strength and fatigue strength of miniaturized springs, which can be fabricated in arrays with ultra-small pitches. It also discloses a solution to minimize adhesion of the contact pad materials to the spring t... | 11/21/2006 |
| 7001671 | Kinetic sprayed electrical contacts on conductive substrates The present invention is directed to electrical contacts that comprise spaced electrically conductive particles embedded and bonded into the surface of conductors in which the particles have been kinetically sprayed onto the conductors with sufficient energy to form... | 02/21/2006 |
| 6921301 | Blade-contact socket A contact assembly for a contact blade has two outer sheet-metal combs of generally identical shape and each unitarily formed with a longitudinally throughgoing base strip lying in a respective base plane and having a pair of longitudinal edges and a plurality of fo... | 07/26/2005 |
| 6903313 | Resistance heating element for extreme temperatures An electrical resistance heating element operable at extremely high temperature, up 2300° C. when used in a vacuum or in a reducing atmosphere, and up to bout 1200° C. when used in an oxidizing atmosphere. The element is formed substantially from titanium silicon ... | 06/07/2005 |
| 6313395 | Interconnect structure for solar cells and method of making same An interconnect structure for use with solar cells and like devices which are subject to compressive and/or expansive forces through packaging or in application comprises a flattened spiral of a metal strip. The interconnect is fabricated by first providi... | 11/06/2001 |
| 6220876 | Electrical interconnect system and method for integrating a bussed electrical distribution center with a printed circuit board An integrated BEDC and PCB provided through a low cost, highly reliable interconnect system. The upper and/or lower half of the main insulation assembly of a BEDC is provided with a recess for accommodating at least an edge portion of the substrate of a P... | 04/24/2001 |
| 5942146 | Dielectric drying kiln electrode connector A dielectric drying kiln having a moveable electrode permanently electrically connected with a source of power via an electrical connector formed by a plurality of discrete interconnected electrically and mechanically interconnected conducting element tha... | 08/24/1999 |
| 5275620 | Implantable lead connectors and remote lead assembly This invention describes novel lead connectors for use with an implantable device, such as a cardiac pacemaker. In one aspect, the connectors use resilient spring action to mechanically retain the lad in the connector and maintain reliable electrical cont... | 01/04/1994 |
| 5180379 | Electrode with pre-wired leads An electrode assembly for use in medical applications including an electrode having a conductor, a lead wire, and a connector. The wire is attached to the conductor with the connector. The connector includes two portions which snap together, and one or bo... | 01/19/1993 |
| 4832626 | Adapter An improved space-saving, clearly arranged, and safe adapter apparatus for mechanical and electrical connection of installation devices such as automatic circuit breakers, motor protection switches, contactors, relays, and the like with bus rails of a bus... | 05/23/1989 |
| 4832627 | Input adapter for a bus bar system An improved input adapter for electrically connecting input leads with the bus rails of a bus bar system. Connection at any desired location along the bus rails is made possible without drilling holes in the bus rails by an arrangement in which contact pl... | 05/23/1989 |
| 4789355 | Electrical compression connector An electrical connector for connecting to a jack having a socket and a rim and including a cylindrical hollow body having a pin and a flared contact member projecting from one end thereof for engaging the socket and the rim respectively. An outer sleeve e... | 12/06/1988 |
| 4753615 | Electrical connection and fastener therefor An electrical connection between high current contact members (26 and 27) is provided by a male and female securing member (10 and 11) of the same coefficient of expansion. The inner surface (21) of a tubular shaft component (19) of the female member (11)... | 06/28/1988 |
| 4519668 | Wire terminal connector Disclosed is a wire terminal connector for use in an electric device, comprising an electrically conductive terminal plate formed with at least one screw hole, and at least one terminal screw to be screwed into the screw hole, for fixing a wire terminal b... | 05/28/1985 |
| 4449775 | Connector for portable objects such as credit cards A connector for a portable object particularly adapted for credit cards having an IC chip thereon comprises an element incorporating a chamber having an opening adapted to receive the portable object along a predetermined direction. Means for grasping the... | 05/22/1984 |
| 4267576 | Interconnection system for a biological waveform simulator device An interconnection system for an electronic biological waveform simulator device utilized for testing the operability of a biological waveform sensing machine such as a vectorcardiogram machine. The system includes a housing with a major surface and a cir... | 05/12/1981 |