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| Number | Title | Issue Date |
| 4752133 | Differential plane mirror interferometer A differential plane mirror interferometer comprises a source (10) which emits a light beam containing two orthogonally polarized components of different frequencies; a source of a stabilized electrical reference signal (11) of a frequency corresponding t... | 06/21/1988 |
| 4744565 | Fish swallowing game A method of playing a fish swallowing game comprises the steps of placing a hollow fish shaped receptacle (10) in water, with the receptacle (10) having a mouth opening (16) which is placed in water so as to be partly depressed below the level (22) of the... | 05/17/1988 |
| 4742073 | Pilocarpine prodrugs Compounds are disclosed of the general formula I ##STR1## wherein R1 is a group of the formula II wherein R3 is alkyl; phenyl; phenyl substituted with halogen, lower alkyl, hydroxy, lower alkoxy, or phenoxy; phenyl-lower alkyl in whi... | 05/03/1988 |
| 4730051 | 4-(substituted-oxy)-3-pyridinecarboxamides useful as plant growth inhibitory agents A compounds of the general formula (I): ##STR1## wherein R1 is alkyl, lower alkenyl, lower alkynyl, aralkyl, haloalkyl, lower alkoxy-lower alkyl, lower alkylthio-lower alkyl or lower alkoxycarbonyl-lower alkyl group; R2 is aryl ... | 03/08/1988 |
| 4730061 | Pyrone-3-carboxamide compounds A pyrone-3-carboxamide compound of the formula (I): ##STR1## in which R1 is an alkyl group, and R2 is an alkyl group or a halogen atom, which is useful as a medicine and an agricultural chemical or an intermediate thereof.... | 03/08/1988 |
| 4726895 | Process for concentration of gold and uranium magnetically A process for concentrating gold and/or uranium minerals by rendering the nonmagnetic minerals magnetic or weakly magnetic by causing a coating to form on the surfaces of the minerals. The gold and/or uranium are concentrated by use of a gravity-magnetic ... | 02/23/1988 |
| 4727141 | Process for preparing trichloromelamine A process for preparing trichloromelamine starting from chlorine and melamine, with intermediate formation of an aqueous suspension of hexachloromelamine, characterized in that hexachloromelamine is solubilized by addition of a water-immiscible solvent, t... | 02/23/1988 |
| 4725585 | Method of enhancing the host defense The invention relates to a method of enhancing or regulating the host defense of a mammal, said method comprising administering to a mammal a therapeutically effective amount of hyaluronic acid.... | 02/16/1988 |
| 4724572 | Modular trowel A modular trowel assembly (10) comprises a resilient substantially planar blade member (12) and a handle member (14) slidably mountable thereon. The blade member (12) contains an aperture (16) defined by a pair of spaced apart longitudinally extending int... | 02/16/1988 |
| 4724454 | Auto-focus single lens reflex camera An auto-focus single-lens reflex camera in which manual focusing can be conducted using a manual focusing member provided on the focusing lens (7), in addition to the switching over of the operation mode between auto-focusing and manual focusing, by provi... | 02/09/1988 |
| 4724453 | Camera information transmission system A microprocessor based camera information transmission system capable of electrically transmitting various information on a plurality of different camera accessories from the accessory (Y) to the camera body (X) with the accessory information being select... | 02/09/1988 |
| 4721924 | Device for tuning a VCO to the carrier frequency of each radar pulse An electronic device for rapidly tuning a voltage controlled oscillator to the radar carrier frequency of each of the individual radar pulses. A frequency discriminator (1) of the quadricorrelator type is supplied with the incoming pulses and with the out... | 01/26/1988 |
| 4721614 | Sodium bicarbonate containing toothpaste A toothpaste containing at least 60% sodium bicarbonate particles as the sole abrasive, at least 30% of the sodium bicarbonate having particle sizes of less than 25 microns. Humectants, thickening agents, fluoridating agents, flavors, sweeteners and other... | 01/26/1988 |
| 4720074 | Umbrella support bracket A receptacle for releasably attaching an umbrella having a bulb type handle to an article such as a golf buggy. The receptacle has several upstanding forked petals capable of resilient radial deflection and a locking ring capable of maintaining the petals... | 01/19/1988 |
| 4717250 | Angle measuring interferometer An angle measuring interferometer comprises a source (10) which emits a light beam containing two orthogonally polarized components of different frequencies; a source of a stabilized electrical reference signal (11) of a frequency corresponding to a diffe... | 01/05/1988 |
| 4717938 | Paper transferring apparatus for a copying machine The present invention is of a paper transferring apparatus for a copying machine which consists of a pair of upper and lower resist rollers and a pair of upper and lower pre-transfer rollers located at a photoreceptor-drum side from these resist rollers, ... | 01/05/1988 |
| 4716041 | Diffusion coated multiple-units dosage form In an oral pharmaceutical controlled release multiple-units formulation, individual units containing an active substance are coated with a substantially water-insoluble, but water-diffusible controlled release coating which includes (1) an inner film laye... | 12/29/1987 |
| 4716429 | Display apparatus for single-lens reflex camera A microprocessor (CPU) controlled autofocus single-lens reflex camera having an interchangeable lens displays the subject distance (3) and the corresponding subject vertical and horizontal dimensions (1,2) in the camera viewfinder adjacent to the in-focus... | 12/29/1987 |
| 4713672 | Laser beam printer In a laser beam printer wherein the quantity of light of the laser beam is fed back to maintain the light quantity at a constant value, the temperature sensor means is provided for detecting the temperature of the photosensitive member, and the feedback c... | 12/15/1987 |
| 4713248 | Diffusion coated multiple-units dosage form In an oral pharmaceutical controlled release multiple-units formulation, individual units containing an active substance are coated with a substantially water-insoluble, but water-diffusible controlled release coating which includes (1) an inner film laye... | 12/15/1987 |
| 4712900 | Apparatus for converting interchangeable camera lens from manual into autofocus An apparatus (X) for converting a manual focus interchangeable lens having an associated focal length into an autofocus type lens for use with a microprocessor based autofocus single lens reflex camera (Y) for providing autofocus photography with the manu... | 12/15/1987 |
| 4712109 | Device for the identification of undesirable echoes in radar systems A device for the detection of undesirable echoes which have significant correlation in azimuth which is applicable to surveillance or tracking radars. The device works through autocorrelation function estimation over a pair of pulses received by averaging... | 12/08/1987 |
| 4709613 | Variable tensioning mechanism for drum head A head tensioning mechanism (10) for varying the tension on a drum head (14) during play is disclosed. In a preferred embodiment, the head tensioning mechanism (10) incorporates a pair of paddles (52) extending along opposite sides of the drum body (28) s... | 12/01/1987 |
| 4708951 | Anticoagulative high-molecular compositions Anticoagulative high-molecular composition which comprises a cellulosic polyelectrolyte complex formed from a polycationic cellulose derivative such as a quaternary ammonium salt of hydroxyalkyl cellulose, and a polyanionic cellulose such as sodium cellul... | 11/24/1987 |
| 4704776 | Press roll for paper machines A paper machine press roll comprising, as integrally joined together, a metal core, a ground layer comprising a metal material layer formed over the outer periphery of the core and having a smaller coefficient of expansion than the surface material of the... | 11/10/1987 |
| 4702248 | Apparatus for generating high frequency shock waves provided with a screen which reduces the electric leakages An apparatus for generating high frequency shock waves having a truncated ellipsoidal reflector is provided. The apparatus has a cavity which constitutes a chamber for reflecting shock waves, the chamber being filled with a dielectric liquid such as water... | 10/27/1987 |
| 4699279 | Towel holder The invention relates to a holder for towels, bathrobes and the like. The holder comprises a bundle of stiff short bristles which are held in a suitable cup-shaped member at their lower ends, with the upper ends being exposed, the cloth being engaged by s... | 10/13/1987 |
| 4699702 | Process for preparing soft magnetic film of Permalloy A process for preparing a soft magnetic film of Permalloy on a rugged substrate in an inert gas atmosphere by a multielectrode sputtering method wherein the target voltage and the target current are independently controllable, the Permalloy film being pre... | 10/13/1987 |
| 4696554 | Method and apparatus for providing a variable multiple image visual effect A method and apparatus for providing a variable multiple image visual effect employing either plurality of angled planar specular reflective surfaces in a pseudo spherical optical array.... | 09/29/1987 |
| 4696796 | Moisture sensor A moisture sensor having the moisture sensitive film comprising an inner layer in the form of a plasma-polymerized high polymer layer of a hydrophobic organic compound and a surface layer in the form of a plasma-polymerized high polymer layer having incor... | 09/29/1987 |
| 4693605 | Differential plane mirror interferometer A differential plane mirror interferometric comprises a source (10) which emits a light beam containing two linear orthogonally polarized components; a tilted parallel plate (16) having regions of reflection, antireflection and polarization coatings for c... | 09/15/1987 |
| 4690401 | Circular sporting article A circular sporting article comprising a core material in a ring shape made of a long and narrow strip of spring steel and a flexible covering material to cover said circular core material and having an overall diameter approximately corresponding to the ... | 09/01/1987 |
| 4688940 | Heterodyne interferometer system A heterodyne interferometer system utilizes a single stabilized frequency linearly polarized laser input beam (18) from a light source (10) which is provided to an acousto-optic device (20) along with a frequency stabilized electrical reference signal (32... | 08/25/1987 |
| 4687000 | Composition and sampling receptacle method for treating blood with anticoagulant In order to counteract coagulation of a blood sample which is collected from an animal or a human body (24) and introduced into a receptacle, such as a syringe chamber (14), an anticoagulant is added to the sample within the receptacle. The anticoagulant ... | 08/18/1987 |
| 4687958 | Apparatus to transform a single frequency, linearly polarized laser beam into a high efficiency beam with two, orthogonally polarized frequencies An electro-optical apparatus transforms a single stabilized frequency, linearly polarized laser input beam (18) from a light source (10) into an output beam (28) having two collinear orthogonally polarized output beam components (24,26) differing in frequ... | 08/18/1987 |
| 4685803 | Method and apparatus for the measurement of the refractive index of a gas An optical apparatus capable of measuring the absolute refractive index of a gas is provided which comprises: (1) an evacuated cell (50) comprised, most preferably, of a bellows (52) with transparent plano windows (41, 61) which have diameters larger than... | 08/11/1987 |
| 4686012 | Ion-selective measuring electrode device An ion-sensitive measuring electrode device with an ion-sensitive element based on ion-conducting crystalline ceramic material is provided. The electrode device shows a selectivity to the Na+ ion versus the H+ ion corresponding to th... | 08/11/1987 |
| 4686187 | Process for preparing pectin from plant tissues A process for preparing pectin, which is useful for foods and medicines or the like, by subjecting a plant tissue containing pectic substances to the action of a microorganism which belongs to the genus Endomyces, Endomycopsis, Saccharomyces, Shizosacchar... | 08/11/1987 |
| 4685465 | Electrode device for transcutaneously measuring a blood gas parameter and for sensing a bioelectrical signal and an electrode assembly comprising such an electrode device An electrode device for transcutaneously measuring the blood gas parameter and for sensing a bioelectrical signal and an electrode assembly comprising such an electrode device are disclosed. The electrode assembly for transcutaneously measuring a blood ga... | 08/11/1987 |
| 4684828 | Apparatus to transform a single frequency, linearly polarized laser beam into a beam with two, orthogonally polarized frequencies An electro-optical apparatus transforms a single stabilized frequency, linearly polarized laser input beam (18) from a light source (10) into an output beam (46) having two orthogonal polarization components of different frequency. The input beam (18) is ... | 08/04/1987 |
