...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 5995553 | Encoder/decoder for emergency alert system An encoder/decoder for an emergency alert system to enable broadcasters to receive, store, re-broadcast and originate emergency alert messages. Multiple emergency alert signals are received by the encoder/decoder. A digital signal processor of the encoder... | 11/30/1999 |
| 5943817 | Bait holder and trap for pests having a removable bait holding tray A snail bait holder and pest trap in which a removably attached cover is seated on a vessel to form a bait chamber. An impervious replaceable tray is positioned in the bait chamber. The tray has a receptacle and contained within the receptacle of the tray... | 08/31/1999 |
| 5917887 | Emergency alert communication system wherein emergency messages are received by a radio frequency receiver and routed to a telephone device An emergency alert communication system comprising a radio frequency receiver. The radio frequency receiver decodes incoming emergency alert signals and demodulates data header signals and emergency alert voice message signals of the emergency alert signa... | 06/29/1999 |
| 5901594 | High pressure expansion mandrel with cams engaging oppositely directed ends of an expandable segmented ring A high pressure mandrel for joining a metal tube to a wall of a metal sheet surrounding an annular bore of the metal sheet. The metal tube enters the bore of the metal sheet. The metal tube is joined to the metal sheet by high pressure fluid in an annular... | 05/11/1999 |
| 5898903 | Multiple address radio system having automatic radio calibration for reducing frequency offset between radio frequency carriers A multiple address radio network in which there is a central station and remote radio sites. The central station transmits control and data acquisition signals to the radios at the remote radio sites and the radios at the remote radio sites transmit to th... | 04/27/1999 |
| 5697535 | Bulk material container with a sliding cam lock closure plate A bulk material container comprises a discharge opening defined by a discharge assembly. A sliding gate overlays the discharge opening for preventing bulk material to advance through the discharge assembly. The sliding gate is withdrawn from the position ... | 12/16/1997 |
| 5657575 | Snail bait holder and snail trap A snail bait holder and snail trap comprising a vessel and a cover which form a snail bait holding chamber. Disposed within the vessel is a laminated disc for supporting the snail bait. An upper layer of the laminated disc is made of a liquid absorbent ma... | 08/19/1997 |
| 5603220 | Electronically controlled container for storing temperature sensitive material A portable, thermally insulated container having an isothermal chamber for storing temperature sensitive material. An electronic circuit activates a heater when the temperature in the chamber is below a preselected magnitude and activates a Peltier heat p... | 02/18/1997 |
| 5557871 | Brush for cleaning the bore of a gun barrel A brush for cleaning the bore of a gun barrel includes groups of metal bristles and groups of nylon bristles secured to a twisted wire strand. The metal and the nylon bristles are formed into segregated groups and are arranged in successive and alternate ... | 09/24/1996 |
| 5495845 | Compact outdoor cooking unit A compact outdoor cooking unit having a cooking mode and a transport and storage mode. The outdoor cooking unit has a foldable stove. In the cooking mode, the stove is in the extended state. A base plate of a firebox has a hook flange and the foldable sto... | 03/05/1996 |
| 5489097 | Golf club head with weights A golf club head having a body. Disposed in the body in the toe to heel direction adjacent the club face is a weight. The body also contains spaced, parallel solid weights that extend from the rear wall of the body toward the club face. The parallel, soli... | 02/06/1996 |
| 5458326 | Batting practice apparatus A batting practice apparatus that employs a cyclone fence as an upright, rigid support. A rigid, horizontal arm is detachably secured at one end to the top of the fence. At the other end of the horiziontal arm is detachably secured the upper end of a vert... | 10/17/1995 |
| 5450795 | Projectile for small firearms A projectile for small firearms has an inner sealed container containing an impact charge of a mixture of pellets and a liquid or a mixture of pellets and a gel. This impact charge may be a mixture of dense metallic powder and a liquid or a mixture of den... | 09/19/1995 |
| 5395023 | Multi-purpose carrier for portable electronic photographic equipment and the like A multi-purpose portable carrier having side-by-side compartments for the storing of portable electronic and/or photographic equipment. Successive compartments are fastened together by zipper fasteners so that the side-by-side compartments can be aligned ... | 03/07/1995 |
| 5362971 | Fiber optic detection system A fiber optic detection system in which a single optic fiber has a U-shaped configuration. A source of light is disposed at one upper free end of the optic fiber and a light detector is disposed at the other upper free end of the optic fiber. At the botto... | 11/08/1994 |
| 5359988 | Spherical cooking unit An outdoor cooking unit comprises a hollow, hemispherical base that increases in diameter from top to bottom. Detachably secured to the hemispherical base is a hollow, hemispherical firebox that decreases in diameter from top to bottom. Supported by the f... | 11/01/1994 |
| 5342288 | Traction splint A traction splint for a long bone extremity fracture in which the length of the frame of the traction splint and the angle of the ischial pad of the traction splint relative to the frame are adjusted simultaneously. The ischial pad is pivotally connected ... | 08/30/1994 |
| 5339989 | Bulk material containing having a flexible liner with a follower A bulk material container in which is disposed a flexible liner for storing bulk material. A rigid follower is attached at the top wall of the flexible liner for moving the top wall of the flexible liner to the level of the bulk material in the flexible l... | 08/23/1994 |
| 5335400 | Drawstring puller and fastener for shoelaces A drawstring puller and fastener that laces separable members of a shoe or the like. The free ends of a shoelace pass through openings formed in a hollow, bell-shaped socket and are formed with a knot disposed in an axial opening of the tapered plug. The ... | 08/09/1994 |
| 5282550 | Bulk material container with a flexible liner A bulk material container includes a shell. Disposed in the shell is a flexible liner for containing material to be dispensed. The upper wall of the flexible liner is clamped or pressed between the rim flange at the top of the shell and the rim flange of ... | 02/01/1994 |
| 5253386 | Brush for cleaning interior of a tube or the like A brush for a hollow structure with an open end includes brush bristles secured to a twisted wire. In one embodiment, a non-abrasive, heat-shrinking plastic tube is slip-fitted over the twisted wire at a section thereof that is free of brush bristles. The... | 10/19/1993 |
| 5220691 | Knee protecting device A knee protecting device for a carpet installer which engages the kicking pad of a carpet stretcher during the installation of carpets. The knee protecting device reduces trauma to the carpet installer while striking the kicking pad of the carpet installe... | 06/22/1993 |
| 5218950 | Outdoor pedestal stand cooking unit with foldable components An outdoor cooking unit in which a foldable pedestal stand supports above the ground a foldable firebox with an inverted, truncated pyramidal configuration. Disposed within the firebox is a fire grate. A cooking grill is disposed above the fire grate. The... | 06/15/1993 |
| 5115943 | Bulk material container with a flexible liner A bulk material container comprising a flexible liner with a bottom outlet fitting. The bottom outlet fitting of the flexible liner is inserted by means of an installing tool into a bottom opening of the shell of the container. The bottom outlet fitting h... | 05/26/1992 |
| 5086752 | Outdoor cooking unit with a pedestal stand An outdoor cooking unit in which a pedestal stand supports above the ground a firebox with an inverted, truncated pyramidal configuration. Disposed within the firebox is a fire grate. A cooking grill is disposed above the fire grate. The pedestal stand in... | 02/11/1992 |
| 5076471 | Bulk material container having a flexible liner with a follower A bulk material container in which is disposed a flexible liner for storing bulk material. A rigid follower is attached at the top wall of the flexible liner for moving the top wall of the flexible liner to the level of the bulk material in the flexible l... | 12/31/1991 |
| 5072857 | Bulk material container with flexible liner A bulk material container comprising a flexible liner with a bottom outlet fitting. The bottom outlet fitting of the flexible liner is inserted by means of an installing tool into a bottom opening of the shell of the container. The bottom outlet fitting h... | 12/17/1991 |
| 5069371 | Bulk material container with a door movable over a rectilinear path A bulk material container with an opening has a door arranged to move over a rectilinear path for the opening and the closing of the opening. For moving the door over a rectilinear path to either open or close the opening, a threaded shaft is journalled f... | 12/03/1991 |
| 5065450 | Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster system A frequency modulated radio frequency broadcast network in which re-transmitting stations employ a synchronous frequency modulated booster system. Included in the frequency modulated booster system is a synchronous frequency modulated exciter for converti... | 11/12/1991 |
| 5060336 | Device for cleaning wind musical instruments A device for cleaning an inner wall of a tube for a wind musical instrument. The device includes a semi-rigid rod formed of separable half sections, which define, when contiguous to one another, an axially directed slit. A removable cleaning cloth is secu... | 10/29/1991 |
| 5060826 | Container with inflatable vessel for controlling flow of liquid or viscous material A bulk material container in which is disposed an inflatable vessel. Also disposed in the container above the inflatable vessel is a compressible vessel containing a product to be disposed. Between the inflatable vessel and the compressible vessel is disp... | 10/29/1991 |
| 5048505 | Cooking and storing apparatus A portable apparatus that has an outdoor cooking stove mounted on a cooler. The stove is latched to the cooler to provide an assembled cooking unit and cooler for transporting and storing. When the stove is unlatched from the cooler, the stove is inverted... | 09/17/1991 |
| 5046124 | Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster system A frequency modulated radio frequency broadcast network in which re-transmitting stations employ a synchronous frequency modulated booster system. Included in the frequency modulated booster system is a synchronous frequency modualted exciter for converti... | 09/03/1991 |
| 5044081 | Carpet trimmer with a recessed guide A carpet cutter for trimming the edge of a carpet in which a base of the carpet cutter includes a flat bottom plate for movement along the carpet. The base also includes an angularly disposed upper plate spaced from the bottom plate to form an angular rec... | 09/03/1991 |
| 5018519 | Mask for adminstering an anesthetic gas to a patient A mask for administering gas to a patient in which an inner cup-shaped wall fits over the nose of a patient and engages the face of the patient. An outer wall of the mask is detachably secured to and spaced from the inner wall to form an exhaust passage f... | 05/28/1991 |
| 5014474 | System and apparatus for limiting the effect of vibrations between a structure and its foundation Apparatus for limiting the effect of vibrations between a structure and its foundation having two types of elastomeric load bearing pads. One pad has the capability of absorbing vertically and horizontally applied forces. The other pad has the capability ... | 05/14/1991 |
| 5013277 | Aerial toy An aerial toy having an airfoil made of sheet material mounted on a spine. At one end of the spine is a counterweight and at the other end of the spine is a manually gripping member. The center of mass for the aerial toy when performing as an aerial spinn... | 05/07/1991 |
| 4996760 | Method of installing a flexible liner within the shell of a bulk material container A bulk material container comprising a flexible liner with a bottom outlet fitting. The bottom outlet fitting of the flexible liner is inserted by means of an installing tool into a bottom opening of the shell of the container. The bottom outlet fitting h... | 03/05/1991 |
| 4967439 | Device for cleaning wind musical instruments A device for cleaning an inner wall of a tube for a wind musical instrument. The device includes a semi-rigid rod formed of separable half sections, which define, when contiguous to one another, an axially directed slit. A removable cleaning cloth is secu... | 11/06/1990 |
| 4967468 | Apparatus for fixing boiler tubes during replacement of same Apparatus for facilitating removal of spent tubes from boilers or heat exchangers in environments where access to one side of the wall through which the tube extends is limited. The apparatus includes a jaw assembly that is movable between a retracted pos... | 11/06/1990 |