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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 4541209 | Vault mount for electrical apparatus This invention provides a convenient apparatus and method for mounting equipment in an underground vault to provide convenient access to the equipment whenever such access is necessary. The vault mount includes a frame having one end thereof permanently p... | 09/17/1985 |
| 4537185 | Cannulated fixation screw A self-tapping, self-drilling orthopedic fixation screw includes a cannula through the shaft of the screw for placement over a guide pin mounted in a guide hole in a bone to drill and tap a hole at predetermined location in the bone.... | 08/27/1985 |
| 4521012 | Variable resistance exercise apparatus and improved method of exercising A variable resistance exercise apparatus is disclosed specifically adapted to provide an improved method or aerobic and anaerobic exercising of the upper extremities and upper body portion of a user. The apparatus is characterized by the use of a hand cra... | 06/04/1985 |
| 4508389 | Apparatus and method for hydraulically mining unconsolidated subterranean mineral formations An improved apparatus and method for hydraulically mining unconsolidated subterranean mineral formations is disclosed wherein the hydraulic mining tool and surface drilling equipment is supported upon elongate structural beams releasably affixed at opposi... | 04/02/1985 |
| 4506742 | Vibrationless percussion tool A vibrationless percussion tool is disclosed characterized by use of a piston mounted for reciprocal movement against a constant pressure force within a casing to cyclically impact an anvil disposed adjacent the distal end of the casing. A spool valve is ... | 03/26/1985 |
| 4503317 | Electric steam generating hair curling iron and method of use thereof The permanent wave curling device of this invention comprises a vapor and heat generating hair curling iron including a handle, a mandrel and a wave solution reservoir threadably attached to the mandrel at an end opposite the handle. The handle encloses e... | 03/05/1985 |
| 4501230 | Retracting and locking animal leash A hand-held apparatus which dispenses, retracts and locks an animal leash in a desired position is disclosed characterized by a spool housing sized to store a length of cord and a handle portion adapted to be grasped in the hand of a user. The spool housi... | 02/26/1985 |
| 4501057 | Carpenter's level holding device and method for plumbing a wall partition A carpenter's level holding device and method for plumbing a wall partition is disclosed, characterized by use of a bracket to hold a conventional carpenter's level to removably attach and self-register the level on a wall partition and a method providing... | 02/26/1985 |
| 4496654 | Detection of HCG with solid phase support having avidin coating Human chorionic gonadotropin (HCG) is detected by enzyme immunoassay by bonding biotinylated antibody to an avidin coupled paper disc, reacting the antibody on the disc with the solution suspected of containing HCG, and determining the amount of HCG on th... | 01/29/1985 |
| 4477352 | Fuel filter An improved fuel filter particularly adapted for use on sport and off-road vehicles such as go-carts, motorcycles, and the like, is disclosed characterized by a two-piece barrel housing sized to removably receive a replaceable/disposable filter element. F... | 10/16/1984 |
| 4474107 | Food oven and smoker device An improved food oven and method of preparing food is disclosed characterized by a double-oven compartment structure with each compartment having multiple infrared heating rod arrays and a smoker unit adapted to prepare food disposed within the compartmen... | 10/02/1984 |
| 4473012 | Apparatus and method for removing cremated remains from a crematory furnace This invention provides a system for breaking and removing cremated remains from a crematory furnace. The system includes means for breaking cremated remains into fragments for transmission through a vacuum line into a grinder which reduces the fragments ... | 09/25/1984 |
| 4471530 | Apparatus and method of measuring surface heights An improved apparatus and method for measuring surface heights is disclosed which yields a true height profile of the surface being measured. The apparatus and method is adapted to provide a straight and preferably level reference datum adjacent to the me... | 09/18/1984 |
| 4469302 | Flag staff holder for windproof signs A flag staff holder for sign supports adapted to hold different size shafts comprising a conical socket with protuberences inwardly at levels therein is disclosed.... | 09/04/1984 |
| 4469096 | Supplemental hand restraint device A supplemental hand restraint device is disclosed which is utilized in conjunction with conventional handcuffs to eliminate functional hand and/or finger use of a person in custody. The device comprises a bag adapted to be positioned over the hands and ha... | 09/04/1984 |
| 4467941 | Apparatus and method for dispensing beverage syrup An improved apparatus and method for dispensing beverage syrup is disclosed characterized by use of a low flow rate, positive displacement pump adapted to accurately deliver syrup from a collapsible bag/box syrup container to a dispensing nozzle. Air inge... | 08/28/1984 |
| 4465115 | Hammerhead An improved hammerhead is disclosed characterized by nail retaining means for facilitating initial driving of the nail without the requirement of holding the nail in the hand of a user. The nail retaining means incorporates an elongate recess sized to rec... | 08/14/1984 |
| 4458020 | Integrated single tube plunger immunoassay system having plural reagent chambers A system for conducting an immunoassay in a single chamber, by concentrating antibodies for antigenic components on microbeads treated for binding immunological components, physically separating the fluid from which the immunological active component is s... | 07/03/1984 |
| 4457027 | Head garment for protection of clothing A hood-like garment which can be comfortably worn over the head of the user to protect clothing being put on or removed from becoming soiled with cosmetics of facial oils is disclosed. The garment is lightweight, flexible, and nonrestrictive of the user's... | 07/03/1984 |
| 4455718 | Scuba tank weight strap A weight strap adapted to be mounted circumferentially about the scuba tank of a diver is disclosed which is specifically designed to permit rapid jettisonning of the same in an emergency situation. The weight strap of the present invention is formed to u... | 06/26/1984 |
| 4454870 | Halo jig A jig for fitting a halo to a patient with a cervical injury, which supports the patient's head during the fitting, and leaves the surgeon's hands free for manipulation and stabilization, is disclosed.... | 06/19/1984 |
| 4450834 | External fixation device An improved external fixation device is disclosed composed of a pair of arcuate frame segments and multiple adjustment rods and pin holders, which cooperate with one another as well as plural pins extending through the soft tissue and bone of a patient to... | 05/29/1984 |
| 4450126 | High strength nylon blend membranes A casting solution of two nylons in formic acid, e.g., high molecular weight extrusion grade Nylon 66 homopolymer [η] about 2 or higher, and nylon multipolymer 66, 610, 6 as a strengthening polymer and gelation promoter, when cast by either the dry or we... | 05/22/1984 |
| 4445012 | Moisture sensor for purging system A moisture sensor detects the presence of foreign matter in a fluid conducting conduit and produces an electrical signal which activates a pump to purge the conduit of the foreign matter. The moisture sensor includes a pair of conduits that may be formed ... | 04/24/1984 |
| 4441484 | Chemical heat pump A chemical heat pump system is disclosed for use in heating and cooling structures such as residences or commercial buildings. The system is particularly adapted to utilizing solar energy, but also increases the efficiency of other forms of thermal energy... | 04/10/1984 |
| 4441214 | Protective head shield The present invention is an article used in the application of liquid to the hair of an individual during a beauty treatment. The article includes at least one single ply of absorbent material shirred, or puckered, and coupled to an elastic strip so as to... | 04/10/1984 |
| 4438762 | Orthopedic hip fixation device An apparatus useful in reduction of fractures in the vicinity of the neck of the femur comprising a lag screw for being threadably received in or adjacent the head of the femur, and extending through the neck of the femur, an annular sleeve telescopingly ... | 03/27/1984 |
| 4436097 | Cardiovascular exercise apparatus A cardiovascular exercise apparatus is disclosed comprising a support frame adapted to carry a user thereon including a pair of separate means for providing aerobic exercising of both the upper and lower body portions of the user. Both of the exercising m... | 03/13/1984 |
| 4435978 | Hot wire anemometer flow meter A hot wire anemometer flow meter device is disclosed which is particularly adapted to be inserted down hole in a gas or oil well line or casing to accurately measure fluid flow through the line. The device comprises an elongate member formed of a pluralit... | 03/13/1984 |
| 4429684 | Chemical heat pump A chemical heat pump system is disclosed for use in heating and cooling structures such as residences or commercial buildings. The system is particularly adapted to utilizing solar energy, but also increases the efficiency of other forms of thermal energy... | 02/07/1984 |
| 4427379 | Heat treatment fixture An improved heat treatment fixture is disclosed formed in a tubular frame network structure composed of mating plural cylindrical tubings segments and cast couplings which are interconnected by pins to permit moderate movement within the frame network str... | 01/24/1984 |
| 4425903 | Chemical heat pump A chemical heat pump system is disclosed for use in heating and cooling structures such as residences or commercial buildings. The system is particularly adapted to utilizing solar energy, but also increases the efficiency of other forms of thermal energy... | 01/17/1984 |
| 4424279 | Rapid plunger immunoassay method and apparatus A method and apparatus for conducting an immunoassay. The apparatus features a cylindrical tube having one open end into which a plunger filter assembly is slidably fitted. The filter assembly is composed of a plunger filter cylinder open at both ends, a ... | 01/03/1984 |
| 4420187 | Stationary drill string rotary hydraulic mining tool and method of hydraulic mining An improved hydraulic mining tool apparatus for the recovery of minerals from subterranean formations is disclosed wherein the drill string, which extends from ground surface into the mineral deposit, is adapted to be maintained stationary during the mini... | 12/13/1983 |
| 4415206 | Drill section and method of hydraulically mining mineral formations An improved drill section and method of hydraulically mining mineral deposits which includes plural flow conduits extending through the drill section, having complimentary shaped tapered thread sections at opposite ends thereof, is disclosed. The tapered ... | 11/15/1983 |
| 4415136 | Pedestal for consoles A pedestal for CRT's, video screens, projection consoles, disk drives, and other consoles which have a face or screen permitting limited pivotal and limited forward and back tilt movement, wherein movement is permitted against constant frictional forces s... | 11/15/1983 |
| 4406187 | Anchoring mechanism for motor driven wrench An anchoring mechanism for preventing the counter-rotation of a motor driven wrench in reaction to the torque produced by the turning of a tool member therein has a multiplicity of members tandemly hinged together, one end member having elements for attac... | 09/27/1983 |
| 4406072 | Commercial fruit drying system An improved fruit drying system particularly suited for large scale commercial drying application is disclosed, comprising a plurality of substantially rigid transparent hoods, each sized to be positioned over the fruit to be dried to increase the drying ... | 09/27/1983 |
| 4405176 | Method for hydraulically mining unconsolidated subterranean mineral formations using remote support An improved apparatus and method for hydraulically mining unconsolidated subterranean mineral formations is disclosed wherein the hydraulic mining tool and surface drilling equipment is supported upon elongate structural beams releasably affixed at opposi... | 09/20/1983 |
| 4395309 | Fractional distillation of hydrocarbons from coal Process and apparatus for recovering volatile distillates from coal, and other solid carbonaceous fuel sources, by heating the top surface of a bilayer of coal formed of an upper layer of recycled coal and a lower layer of green coal, maintaining the lowe... | 07/26/1983 |
