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 |
| 5485931 | Hair dryer caddy The invention is a holder for hair drying and shaping implements. The holder has front and rear sections with each section having a number of vertically-oriented thru-bores. Each thru-bore is open at its top and bottom ends and also has a side, slot-like ... | 01/23/1996 |
| 5464949 | Heat resistant resin compositions, articles and method Low viscosity, solventless, thermosetting resin compositions of bismaleimide resin composition and epoxy resins have unique heat stability and special utility as insulation for electric conductors to be used in the 200°-250° C. temperature range.... | 11/07/1995 |
| 5413693 | Electrocrystallization of strongly adherent brushite coatings on prosthetic alloys An electrolytic method for providing bone-emulating, phosphate coatings on prosthetic appliances. Such coatings serve to enhance bone fixation after implantation of the appliances. The method of the invention is an electrolysis process wherein the applian... | 05/09/1995 |
| 5393190 | Apparatus for lifting and tilting heavy containers Apparatus is disclosed for engaging, raising and rotating tanks/cylinders which contain liquids or gases under pressure. The apparatus comprises a cradle rotationally mounted on an elevator housing. While the tank/cylinder is elevated, an auto turn linkag... | 02/28/1995 |
| 5383675 | Drive and control mechanisms for human powered vehicles A human powered mechanism for propelling a wheeled land vehicle, a water vehicle (a boat or hydroplane) using either a water screw or a jet of water or an ultra-light aircraft with an air screw. The mechanism can utilize either arm or leg muscles or prefe... | 01/24/1995 |
| 5377415 | Sheet material punch An improved sheet metal punch including a second class lever system compounded with a hybrid first-third class lever system. A nutcracker-like tool employs two lever arms that are linked at the ends thereof by a fulcrum link and opposing fulcrum points, o... | 01/03/1995 |
| 5376039 | Rope-skipping toy A motor-driven, rope-jumping doll. The doll features a conventional toy that closely imitates rope-jumping by a human. A battery powered motor is activated and deactivated by lightly pressing on top of the doll's head. Once in motion, the doll appears to ... | 12/27/1994 |
| 5374351 | Filter backflushing system A filter backflushing system including either a pneumatically-driven piston or pneumatic accumulator for propelling a supply of a filtered backflushing fluid, contained in a backflushing fluid chamber, in a reverse direction through a filter element. The ... | 12/20/1994 |
| 5368753 | Antifreeze reclamation system and process The invention is an antifreeze reclamation system that is designed for low volume processing over extended time periods. The system makes use of a tank that is preferably fabricated from a standard fifty-five gallon drum. Attached to the top of one end of... | 11/29/1994 |
| 5368292 | Basketball rebounding system A basketball rebounding system for capturing a basketball which has been shot in the general direction of a basketball hoop, and for subsequently returning the basketball to the shooter, regardless of the successful completion of a basket. The basketball ... | 11/29/1994 |
| 5361952 | Baby carrier A soft-type baby carrier for supporting a baby in a rearwardly facing direction on the front or side torso of a wearer. The baby carrier includes an adjustable pouch shaped baby seat for supporting a baby in a substantially upright, sitting position, an a... | 11/08/1994 |
| 5357763 | Pump down tool with inflatable valve member A pump down tool for facilitating the servicing of a refrigeration system. The tool utilizes a pump down head having an inflatable balloon member for blocking the liquid line of the refrigeration system, thereby isolating the system refrigerant within the... | 10/25/1994 |
| 5356330 | Apparatus for simulating a "high five" An apparatus for simulating a "high-five" including a lower arm portion having a simulated hand removably attached thereto, an upper arm portion, an elbow joint for pivotally securing the lower arm portion to the upper arm portion, and a spring biasing el... | 10/18/1994 |
| 5353577 | Reversible saddle pad A reversible saddle pad having first and second opposing sides which may be alternately displayed under a saddle. An aperture is provided adjacent each saddle pad billet keeper for removably receiving the billet keeper therethrough.... | 10/11/1994 |
| 5353975 | Carrier for a portable stereo unit The invention is a multi-compartmented belt-type carrier for a portable stereo unit having separate speakers. Each compartment is designed to receive a speaker and has a front face that includes at least one foraminous area that functions to allow a virtu... | 10/11/1994 |
| 5350342 | Deformable grip The invention is a semi-resilient exercise grip that has a non-resilient particulate core surrounded by a resilient rubber covering. Within the core there is also a dry lubricant such as talc that allows the particles to move over each other without damag... | 09/27/1994 |
| 5341953 | Partitioned cereal bowl A partitioned cereal bowl with a region for dry cereal and another for liquid such as milk. A cereal bowl is provided, which precludes cereal from oversoaking, by partitioning it into a dry cereal-holding region and a liquid (milk)-holding region. The cer... | 08/30/1994 |
| 5342262 | Vertically-disposed exercise machine The invention is a vertically-disposed exercise machine that is designed to accommodate a user who is in a standing position. The machine includes a lower crankset having pedals adapted to receive a user's feet. The machine has an height adjustable upper ... | 08/30/1994 |
| 5340179 | Ball retriever having a counter The invention is a ball retrieval device that includes a counter readable when the device is in its normally upstanding orientation. One embodiment of the device includes a mechanical counter that is actuable by the user. A second embodiment of the device... | 08/23/1994 |
| 5337487 | Layout tool A hexahedronic case (12) with a singular face extension (20) and swingout arm pair (14L, 14R) for housing a conventional, flexible measuring tape (26). A carpenter's extensible-retractable measuring tape is housed in a six-faced case which has a pair of p... | 08/16/1994 |
| 5326134 | Ski pole latch A ski pole latch for removably securing a ski pole to a bar of the type generally found on ski lifts. Either a latch or a strap connection is utilized to allow a skier to encircle a bar of the type normally found on the ski lift so as to enable the skier ... | 07/05/1994 |
| 5325541 | Waterproof oversock A thin, oversized, waterproof and water vapor permeable oversock which is adapted to be obtrusively worn over a wearer's foot and/or sock within a shoe, sneaker, boot or other type of footwear. The oversock includes a heat sealable, waterproof and water v... | 07/05/1994 |
| 5322131 | Vibration-reduced pneumatic tool The invention is a pneumatic impact hammer in which the vibrations created in the motor portion of the tool are substantially reduced prior to reaching the tool's handle portion. The motor portion is allowed to move relative to the tool's handle portion a... | 06/21/1994 |
| 5320187 | Mechanical lockout for a pneumatic tool The invention is a safety mechanism for an air-powered tool. The mechanism senses the position of the tool's implement retainer and disables the air flow to the tool's motor if the retainer is not in its locked position. The mechanism employs a pushrod th... | 06/14/1994 |
| 5316665 | Pre-filter oil inspection screen The invention is a disk-shaped screen adapted for removable placement onto one end of a standard-type oil filter. When the screen is placed on the oil filter, it is located in an area bounded by the oil filter's mounting gasket and it overlies the filter'... | 05/31/1994 |
| 5316464 | Compact disc labeling system A compact disc labeling system for permanently imprinting a personalized label into the inner plastic ring of a compact disc. The invention includes a base member for receiving and securing a compact disc thereto, an interchangeable impact plate with outw... | 05/31/1994 |
| 5314150 | Support stand for golf bag A support stand for a golf bag comprising a stand body having a pair of upper pivot members at its upper portion and a pair of lower pivot members its lower portion, a pair of legs pivotally mounted at their upper ends to the upper pivot members, respecti... | 05/24/1994 |
| 5311629 | Deck replacement system with improved haunch lock An improved article and method for making and installing a bridge deck replacement system. Subsystem articles include a plurality of precast slabs which contain features, notably projections and plates which depend from the underside thereof, which are us... | 05/17/1994 |
| 5312122 | Shopping cart attachments A plurality of shopping cart attachments for facilitating the operation and improving the child carrying capabilities of existing shopping carts including a tandem child seat system for converting a shopping cart into a tandem shopping cart, a back guard/... | 05/17/1994 |
| 5310464 | Electrocrystallization of strongly adherent brushite coatings on prosthetic alloys An electrolytic method for providing bone-emulating, phosphate coatings on prosthetic appliances. Such coatings serve to enhance bone fixation after implantation of the appliances. The method of the invention is an electrolysis process wherein the applian... | 05/10/1994 |
| 5303888 | Golf bag with support stand A golf bag with stand having legs being capable of being automatically extended by weight of golf clubs received in the golf bag when the golf bag stands in inclined position and also being automatically retracted by weight the golf clubs when the golf ba... | 04/19/1994 |
| 5299951 | Housing for an electrical connection The invention is a housing assembly that is designed to be placed over the coupling area between two power/extension cords. The assembly includes a two-part central housing in which the two parts are joined together by a quick-release-type coupling that i... | 04/05/1994 |
| 5297832 | Log lifting beam assembly A crane operated log lifting beam assembly for unloading a tier of logs from a truck. The beam assembly includes two cable operated longitudinally displaceable trolley systems for securing an attached pulp sling against the tier of logs and a displacement... | 03/29/1994 |
| 5295194 | Multi-driver loudspeaker assembly A multi-driver, coaxially mounted loudspeaker array utilizing a high frequency bi-morph driving element (tweeter) that is preferably contained within the air-core of the voice coil former of a lower frequency loudspeaker (woofer). The outwardly extending ... | 03/15/1994 |
| 5287726 | Method and apparatus for liquid cooled generator stator test and preparation therefor Method and apparatus for preparing stators of a fluid cooled generator for ground (megger) and other tests. The method of automatically cycling into stator cooling coils gradually incremented pressures of super-desiccated air followed by subsequent rapid ... | 02/22/1994 |
| 5276932 | Manually operated rotary toothbrush Improvements to a manually operated, rotary bristle toothbrush. A thumb actuated mechanism is slidably and longitudinally mounted in an essentially hollow, elongate handle and a part of the mechanism, a rack, is caused to engage at least one compound pini... | 01/11/1994 |
| 5276554 | Magnification adjustment system for a variable power rifle scope A thumb actuated system for adjusting the magnification of a variable power (zoom) scope mounted on a rifle without removing the rifle from the shooting position. The magnification adjustment system, which is removably securable to the ocular end of the s... | 01/04/1994 |
| 5265525 | Automatic breader/sifter unit The invention is an automatic breader/sifter unit used to facilitate the application of a breading material to a food product. The unit includes a rotatable, horizontally-oriented drum that has an octagonal shape. The sidewalls of the drum include a large... | 11/30/1993 |
| 5260099 | Method of making a gas turbine blade having a duplex coating A stainless steel gas turbine engine compressor blade is protected against corrosion by providing a thin sacrificial coating in the form of a coherent aluminum body in electrically-conducting contact with the blade surface, then overcoating the aluminum c... | 11/09/1993 |
| 5260349 | Electron beam curable epoxy compositions Deep section epoxy compositions are cured by irradiation with e-beam, x-ray,or γ-ray radiation. Use of photoinitiators having metal halide anions makes monomers and oligomers especially susceptible of this invention's deep section curing technology.... | 11/09/1993 |