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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 6521112 | Paced chemical replenishment system A method of controlling the content of a chemical bath includes the steps of: determining a replenishment condition for the chemical bath; defining a unit of the replenishment condition; establishing a pacing factor corresponding to a replenishment volume... | 02/18/2003 |
| 5795561 | Radioiodinated phospholipid ether analogues Novel radioiodinated analogues of naturally-occurring phospholipid ethers are tumor-specific and have a triglycerol backbone structure which, in certain embodiments, is substituted at the 3-position with an alkyl phosphocholine and include a monoiodinated... | 08/18/1998 |
| 5789393 | Pharmaceutical compositions and uses of water-soluble, high-viscosity grade cellulose ethers Water-soluble, high-viscosity grade cellulose ether compositions are useful for the reduction of serum lipid levels, particularly total serum cholesterol, serum triglycerides, and low-density lipoprotein (LDL) levels and/or attenuate the postprandial rise... | 08/04/1998 |
| 5783551 | Paraffinic cleaning solutions A method for removing residues including waxes, oils, greases, resins, fluxes, diamond lapping compounds and solvent soluble resists from the surface of electronic components, optic elements, contact lenses and metals comprises the steps of contacting the... | 07/21/1998 |
| 5770763 | Difunctional bitricyclodecatriene monomers Novel difunctionalized cyclobutabenzene monomers of the general formula: ##STR1## wherein Z can be hydrogens or a cyclobutane ring; and X and Y are carboxyl, amino, alcohol, isocyanate, acid halide, or bis-acyl halide groups. Exemplary difunctional b... | 06/23/1998 |
| 5762178 | Conveyor splice box A splice box arrangement for a conveyor employs first and second end members that are coupled to one another and to base and top members using conventional fasteners, obviating the need for total replacement of the splice box when a conveyor of a differen... | 06/09/1998 |
| 5746775 | Method of making calcification-resistant bioprosthetic tissue A method of treating a collagenous biomaterial, such as porcine aortic valve leaflets or bovine pericardium, by exposing the biomaterial to an alcohol to inhibit in vivo calcification. The biomaterial, preferably glutaraldehyde-pretreated, is subjected to... | 05/05/1998 |
| 5703568 | Multi function light sensor for vehicle A system for detecting the presence of rain droplets on a windshield employs a source of light, such as an LED, and a photodetector installed on the instrument panel of a vehicle. The LED and the photodiode are arranged with respect to one another such th... | 12/30/1997 |
| 5692328 | Flag waving apparatus An apparatus for displaying a flag, banner, or pennant, so as to simulate waving in wind, is particularly adapted for use with a novelty flag that is scaled for use in model railroad layouts. The apparatus employs a correspondingly scaled flag staff for c... | 12/02/1997 |
| 5679112 | Calcification-resistant materials and methods of making same through use of multivalent cations Bioprosthetic materials, either natural or synthetic, are treated with trivalent iron cations, or salts, to prevent in vivo calcification. Such bioprosthetic materials include porcine aortic valve leaflets, bovine pericardium, aortic homografts, biocompat... | 10/21/1997 |
| 5674033 | Vehicle tie-down system for container A system for securing a vehicle of the type having a plurality of wheels from rolling or sliding along the floor of a refrigerated-type cargo container, employs lashing point anchors which couple to the floor of the cargo container without damaging same. ... | 10/07/1997 |
| 5674298 | Calcification-resistant bioprosthetic tissue and methods of making same Naturally-derived bioprosthetic materials are treated with epoxide crosslinking agents. In some embodiments, the tissue is crosslinked with low molecular weight epoxides in aqueous solutions at high pH levels. In other embodiments, the tissue is crosslink... | 10/07/1997 |
| 5674048 | Stack handling system An arrangement for handling stacks of articles, each article having a predetermined height dimension, employs a stack guide for maintaining the stack of articles in stacked alignment, and an elevator for rasing and lowering the stack guide. A retractable ... | 10/07/1997 |
| 5672273 | In-line filter with flange seal A filter arrangement which is employed in a fluid conduit is formed of a filter formed of a permeable filter material connected to a flange seal having an annular portion for engaging with and coupling to the permeable filter medium, and a planar portion ... | 09/30/1997 |
| 5671278 | Video scrambling with variable function generator A video scrambling and descrambling arrangement utilizes plural scrambling characteristics including a predetermined scrambling waveform and a selectable one of a plurality of phase relationships with respect to the video signal to be scrambled. Descrambl... | 09/23/1997 |
| 5667439 | Gaming machine A gaming machine comprises a variable display device for variably displaying a plurality of display patterns so as to give a predetermined play value according to the display pattern at the time when variable displays stop, and control unit for driving th... | 09/16/1997 |
| 5667219 | Variable display gaming machine A gaming machine has a variable display device for variably displaying symbols for each of a plurality of symbol columns by moving each of the plurality of symbol columns separately in a predetermined direction. The plurality of symbol columns are each fo... | 09/16/1997 |
| 5660693 | Ion vapour deposition apparatus and method Spectacle lenses are coated by ion vapor deposition by means of sputtering target materials. A plurality of lenses to be coated are introduced into a sputtering chamber by a load lock device, and when in the chamber the lenses are covered by a disc which ... | 08/26/1997 |
| 5638170 | Punched carrier specimen sample processor A dried sample processor employs a loader which reads unique identification data from a carrier web, and supplies such data to a computerized controller. The carrier web is then brought to a punch arrangement which punches a specimen sample therefrom and ... | 06/10/1997 |
| 5626764 | Continuous multicomponent focusing in a magnetically stabilized fluidized bed A device, and process, for continuously separating dissolved solutes and suspended particles from a multicomponent fluid phase in a magnetically stabilized fluidized bed (MSFB). The process is of the type wherein a solid resin and a liquid buffer move cou... | 05/06/1997 |
| 5614494 | Peptides for heparin and low molecular weight heparin anticoagulation reversal Less toxic agents for reversal of heparin or low molecular weight heparin anticoagulation which are synthetic protamine-like polycationic peptides having a total cationic charge which is less than that of n-protamine. In preferred embodiments, arginine re... | 03/25/1997 |
| 5611193 | Two-axis article loader/unloader A loader arrangement is provided with a first conveyor for delivering an article to a first station, and a second conveyor for delivering a container to a respective first station. A gripper engages the article at the first station of the first conveyor, ... | 03/18/1997 |
| 5607566 | Batch deposition of polymeric ion sensor membranes Screen printing technology is employed in the batch fabrication of the contacts and polymeric membranes of solid-state ion-selective sensors. The process achieves high yield with very reproducible results. Moreover, membrane thickness can easily be predet... | 03/04/1997 |
| 5607567 | Protamine-responsive polymeric membrane electrode A polymeric membrane electrode gives potentiometric responses to macromolles, such as protamine, in solution or biological specimens. A protamine-responsive membrane includes a lipophilic cation-exchange material for ionic macromolecules in a specially f... | 03/04/1997 |
| 5603659 | Gaming machine A game is played on a gaming machine by the use of gaming media which are increased or decreased depending on results of a play of the game. A first gaming value is defined as a value of the gaming media given to a player. The first gaming value is conver... | 02/18/1997 |
| 5584835 | Soft tissue to bone fixation device and method A two-part device for suturing soft tissue to bone employs a bone anchor which is installed in the bone and a suture anchor which is coupled to the soft tissue and then engaged with the bone anchor. The engagement of the suture anchor with the bone anchor... | 12/17/1996 |
| 5580196 | Wear resistant tools Wear resistant rotary machining tools including twist drill bits, slot drill bits, thread taps, end mills and reamers are disclosed. The tools comprise a body of cemented tantalum, titanium tungsten carbide (1) having a layer of abrasive polycrystalline d... | 12/03/1996 |
| 5578178 | Mercury drop electrode system A mercury drop arrangement tests electrochemically a sample solution, in a horizontal or vertical orientation, employing mercury which is delivered from a mercury reservoir to the test solution via a valve and mercury capillary tube. The mercury is valved... | 11/26/1996 |
| 5576306 | Pharmaceutical compositions and uses of water-soluble, high-viscosity grade cellulose ethers Water-soluble, high-viscosity grade cellulose ether compositions are useful for the reduction of serum lipid levels, particularly total serum cholesterol, serum triglycerides, and low-density lipoprotein (LDL) levels and/or attenuate the postprandial rise... | 11/19/1996 |
| 5570131 | Pseudo-digital compression of video signals A system for transmitting multiple video signals via a single video channel, each video signal having a luminance component in respective sequential horizontal line periods. Luminance components of the video signals are separated and compressed. An output... | 10/29/1996 |
| 5567191 | Improvements relating to life jackets The invention provides an inflatable life jacket which is held in a horse-shoe shaped cover from which the jacket breaks free when inflated. The jacket has two legs (34, 36) and a rear jacket (44,46). The rear portion (44, 46) fits behind the user's head ... | 10/22/1996 |
| 5564545 | Paper currency acceptor A paper currency acceptor receives paper currency and stores the paper currency therein. A paper currency validator verifies validity of paper currency temporarily received from the outside of the paper currency acceptor to validate or reject the paper cu... | 10/15/1996 |
| 5561890 | Intelligent cam-driven clamp A clamping arrangement employs a rotatable element, such as a ball, driven by a cam to apply a biasing force to an article desired to be clamped. The ball is contained within a housing having first and second through-holes arranged substantially orthogona... | 10/08/1996 |
| 5555629 | Garment pattern making The invention relates to a system and method for the preparation of sets of patterns from which material is cut and garments produced from the cut material. Each of the patterns has formed thereon stitchlines and a number of the stitchlines are to be join... | 09/17/1996 |
| 5552508 | Difunctional bitricyclodecatriene monomers Novel difunctionalized cyclobutabenzene monomers of the general formula: ##STR1## wherein Z can be hydrogens or a cyclobutane ring; and X and Y are carboxyl, amino, alcohol, isocyanate, acid halide, or bis-acyl halide groups. Exemplary difunctional b... | 09/03/1996 |
| 5534619 | Peptides for heparin and low molecular weight heparin anticoagulation reversal Less toxic agents for reversal of heparin or low molecular weight heparin anticoagulation which are synthetic protamine-like polycationic peptides having a total cationic charge which is less than that of n-protamine. In preferred embodiments, arginine re... | 07/09/1996 |
| 5496891 | Mixtures and concentrates for the preparation of polymers The invention of this patent application relates to carboxylic acid polymer compositions and in particular relates to concentrates of polymers which are subsequently used to prepare gels formed of diluted and neutralised polymer. Said polymers are current... | 03/05/1996 |
| 5494387 | Universal apparatus for cargo lash tensioning A tensioning apparatus for a cargo lashing strap that secures cargo to a cargo deck and is configured to have a frame having a first portion adapted to couple the frame to the cargo deck an intermediate portion, and a second portion. The frame has two sid... | 02/27/1996 |
| 5484062 | Article stack handler/sorter A handler/sorter for articles such as the trays of integrated circuit chips is provided with an unstacking elevator system, an inspection station, a sorting station for repopulating the tray with non-defective integrated circuit chips, and an output stati... | 01/16/1996 |
| 5477519 | Data storage using pulsed optical domain reversal Digital data is stored using optical means exclusively in a storage media which is characterized with a soft-phonon mode. Electric dipole domains in the storage medium are caused to reverse in polarity in response to the impinging thereon of an optical pu... | 12/19/1995 |
