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| Number | Title | Issue Date |
| 5688695 | Optical method for determination of minute amounts of opaque insoluble colored light absorptive substances A method for the rapid quantitation of minute amounts of particulate insoluble substantially opaque colored light absorptive substances is disclosed. The method may be employed to quantitate such particulates which are formed as an end product of an assay... | 11/18/1997 |
| 5658068 | Fluorescent backlit display A fluorescent backlit display embodying a rectangular supporting frame, a display panel on the front of the frame, a plurality of equally spaced elongated modular lamp units each having a base member including an elongated tube of triangular cross section... | 08/19/1997 |
| 5622630 | Apparatus for and method of treatment of media containing unwanted substances An apparatus and method for removing unwanted substances from media such as water and soil. Various industrial waste water streams can be treated simply and effectively to remove therefrom such unwanted substances as petroleum hydrocarbons, heavy metals, ... | 04/22/1997 |
| 5523930 | Fluorescent backlit displays or the like A fluorescent backlit display or the like embodying a generally planar light transmissive display panel, a back wall having a generally planar diffusely reflective surface facing, spaced from and parallel with the display panel an array of spaced parallel... | 06/04/1996 |
| 5461808 | Table top backlit display A tabletop backlit display for use in tradeshows which can be readily assembled and disassembled on site, and when disassembled, can be accomodated in a single shipping carton of a size acceptable at normal rates by package delivery services. A major feat... | 10/31/1995 |
| 5431880 | Light transmittance type analytical system and variable transmittance optical component and test device for use therein A light transmittance type analytical system for the rapid quantitation of minute amounts of an analyte in a fluid sample and an optical component and test device useful therein are; disclosed. The analytical system employs an assay in which the presence ... | 07/11/1995 |
| 5282117 | Light leveling means for fluorescent backlit displays or the like A method of providing uniform illumination of a light transmissive image on the light transmissive display panel of a fluorescent backlit display or the like, which includes blocking of a portion of the light flux projecting from at least one elongated tu... | 01/25/1994 |
| 4787963 | Method and means for annealing complementary nucleic acid molecules at an accelerated rate Method and means for accelerating the rate of hybridization of nucleic acid probes with complemental target sequences in probe assays of the filter binding or sandwich filter binding formats. The nucleic acid probes are electrophoretically concentrated at... | 11/29/1988 |
| 4595125 | Apparatus and method for dispensing a predetermined weight per unit of time of nonfree-flowing particulate material An apparatus and method useful for continuously dispensing from a bulk storage bin or silo at a precise weight per unit time nonfree-flowing particulate material. A feeder capable of discharging from the back storage bin or silo a precise volume per unit ... | 06/17/1986 |
| 4425540 | Apparatus and method for pyroelectric power conversion Apparatus and method for converting heat to electrical energy by the use of one or more capacitors having temperature dependent capacitance. The capacitor is cycled between relatively high and relatively low temperatures by successive thermal contact with... | 01/10/1984 |
| 4395126 | Apparatus for reflectance measurement of fluorescent radiation and composite useful therein Method and means useful in reflectance measurement is provided wherein radiation of one wavelength is separated from radiation of a different wavelength by the use of a composite of at least two components, one of which is absorptive of said one wavelengt... | 07/26/1983 |
| 4377727 | Stethoscope having means for measuring pulse frequency An improved stethoscope having means for measuring the frequency of a series of pulses, such as human heart pulses, is disclosed, in the use of which such pulses are detected simultaneously with detection of a series of timed detectable reference impulses... | 03/22/1983 |
| 4371786 | Method and apparatus for detecting bubbles in a liquid A method and apparatus for sensing the presence of bubbles in a liquid wherein radiation is directed through said liquid toward a radiation responsive sensor and the differential between the response of the sensor when a bubble is not present in the radia... | 02/01/1983 |
| 4357704 | Disc or slab laser apparatus employing compound parabolic concentrator An improved laser apparatus is provided wherein a laser and a pump source comprising an array of GaAs or GaAlAs light emitting laser diodes or of excimer fluorescors or lasers which emits a large cross section beam of generally collimated pumping radiatio... | 11/02/1982 |
| 4294866 | Method for producing monocellular layers of cell-containing biological fluid An improved method is provided for producing monocellular layers of cell-containing biological fluid, such as blood, by spinning a sample slide bearing a sample to be analyzed. In the practice of the improved method, the slide is positioned with the sampl... | 10/13/1981 |
| 4280442 | Apparatus for producing monocellular layers of cell-containing biological fluid An improved method and apparatus are provided for producing monocellular layers of cell-containing biological fluid, such as blood, by spinning a sample slide bearing a sample to be analyzed. In the practice of the improved method and use of the improved ... | 07/28/1981 |
| 4077845 | Disposable inoculation device and process of using same A self-contained rehydratable microtiter type device is disclosed in which concentrations of suitable agents are predeposited and dried in growth wells and are then rehydrated with aliquot amounts of the inoculum to be tested. The apparatus and system per... | 03/07/1978 |
