Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 5485165 | Broadband high efficiency full wave open coaxial stub loop antenna A broadband, high-efficiency loop radiator is characterized by a coaxial loop one wavelength in circumference with a continuous center conductor fed through a coaxial T feed and a discontinuity of the outer shield next to the feed point of 50 ohms input i... | 01/16/1996 |
| 4868940 | Cushioning mat for use as portable bedding Portable mattresses having improved comfort and lower bulk when folded for ransport are provided. The mattresses include generally planar members having corrugations on each face of the planar member. The corrugations are such that the planar members are a... | 09/26/1989 |
| 4868834 | System for rapidly tuning a low pressure pulsed laser A rapidly tunable low pressure laser comprised of a one electrode pair low ressure CO2 gas laser gain cell and intra-cavity quarterwave plate and Q-switch. The cell has a fixed laser output coupled at one end of the laser cavity and at the other... | 09/19/1989 |
| 4863874 | Method for detecting phosphatidylinositol through binding to Concanavalin A A method for the specific detection of inositol and phosphatidylinositol within a model membrane such as liposomes or within a cellular system such as T lymphocytes.... | 09/05/1989 |
| 4862164 | Infrared aircraft landing system A portable infrared landing site illumination system is provided for fixed ing and rotary wing aircraft having night vision capabilities as provided by the Army's second generation goggles (PVS-5) or the third generation goggles (ANVIS). The system employs... | 08/29/1989 |
| 4855493 | Pharmacological active amine-carboxyboranes Amine-carboxyboranes (boron analogues of amino acids) which demonstrate sificant antitumor and antihyperlipidemic (cholesterol and /or triglyceride lowering) activities are disclosed.... | 08/08/1989 |
| 4849000 | Method of making fiber optic plates for wide angle and graded acuity intensifier tubes New fiber optic elements and a new microchannel plate for proximity focus image intensifier tubes and a method for making them are provided. Higher resolution is provided at the center of the field of view by the use of graded fiber and channel sizes and... | 07/18/1989 |
| 4849070 | Process for fabricating three-dimensional, free-standing microstructures A sublimable layer is deposited on a substrate, holes are etched through sublimable layer, a thin-layer structure is deposited on portions of the remaining sublimable layer, and a thick structural support material is deposited to cover the sides and bot... | 07/18/1989 |
| 4848894 | Contact lens with laser protection A contact lens is made either with a laser-reflecting or absorbing layer edded in a transparent optical lens material, or formed as a layer on the convex side of such a material. The layer may be a Fabry-Perot reflector or a thin-film or holographically ... | 07/18/1989 |
| 4846561 | Monolithic optical power limiter based on two-photon absorption Collimated incident optical radiation which might contain high-intensity or igh-power radiation is focused into the body of a limiter by a first lens formed at one end of the limiter. The body is a cylinder of revolution with an axis along the optical axis... | 07/11/1989 |
| 4837769 | Phase conjugated slab laser designator A portable laser designator is provided having a highly efficient slab type SGG:Cr:Nd output laser with a phase conjugation mirror and compact folded optical system.... | 06/06/1989 |
| 4830439 | Separable scraper bar attachment for track-type vehicles A detachable or separable scraper bar attachment for various types of trad vehicles includes first, second, and third generally planar rectangular bar elements which when fixedly interconnected and attached to a vehicle's body frame form a generally U-sh... | 05/16/1989 |
| 4821321 | Automatic secure transmission and reception of pictorial information A real time coding system for the transmission and reception of pictorial o-dimensional information at television (TV) rates. In one coding system, the input signal and a coding signal are modulo added in an operational amplifier and are transmitted there... | 04/11/1989 |
| 4819239 | Laser Q-switch The present invention provides layered devices to control the spatial and spectral distribution of energy in optical beams, particularly high-intensity laser beams. These devices include improved versions of prior art thin-film (vacuum-deposited) interfer... | 04/04/1989 |
| 4777825 | Stabilized reference surface for laser vibration sensors The invention provides a vibration sensor with a platform mounted Bragg c frequency shifter and heterodyne detection system, wherein the reference beam is modulated with the component of platform vibration normal to the sensing beam, such that a similar ... | 10/18/1988 |
| 4767122 | Three-dimensional thermal target simulator and method of making same Orthogonal thermographs of a target one desires to simulate are taken, are eproduced on a plastic medium, and are formed onto a model of the target. The model is the same scale as the thermographs, and is transparent to radiation from internal sources. The... | 08/30/1988 |
| 4762576 | Close space epitaxy process A process of high pressure close-space epitaxy in the semi-confined atmosre of a reusable demountable ampule in a furnace growth chamber. The ampule has a substrate and source materials placed therein whereupon the ampule is then loaded in the pressure f... | 08/09/1988 |
| 4760932 | Segmented, collapsible, rigid liquid storage tank A portable, collapsible tank for storing liquids which may be assembled in op, bottom, and side wall subassembly sections. The sections may be transported in compact substantially flat sections and easily assembled and disassembled in the field to provide ... | 08/02/1988 |
| 4760267 | Method of creating a simulated infrared image using conventional black and white film A method of forming infrared light patterns is provided to simulate the ration from actual scenes encountered by infrared image detection systems. The patterns are formed using inexpensive black and white film treated with a silver reducing agent and cer... | 07/26/1988 |
| 4759028 | Double helix RF line for CO2 laser A novel design for an RF pumped gas laser is provided by spiralling an RF in lead transmission line around a ceramic gas container. The pitch of the spiral and spacing between the leads of the transmission line are chosen to produce currents parallel to t... | 07/19/1988 |
| 4755718 | Wide angle and graded acuity intensifier tubes New fiber optic elements and a new microchannel plate for proximity focus image intensifier tubes and a method for making them are provided. Higher resolution is provided at the center of the field of view by the use of graded fiber and channel sizes and... | 07/05/1988 |
| 4751706 | Laser for providing rapid sequence of different wavelengths The optical cavity of the present laser has a folded optical path with a pair of reflective diffraction gratings and a gain cell in it. A disk with radially distributed perforations rotates in the optical path between the gratings and the gain cell. The l... | 06/14/1988 |
| 4747684 | Method of and apparatus for real-time crystallographic axis orientation determination A specific small area of a crystal sample is scanned by a laser beam which rotates about an axis substantially perpendicular to the sample surface such that the intersection of the beam with a plane above and parallel to the surface describes a true spira... | 05/31/1988 |
| 4745812 | Triaxial tactile sensor The sensitive high resolution microminiature tactile sensor comprises an array of unique micromachined bossed silicon transducer cells in conjunction with requisite electrical circuitry and components, which collectively provide an ability to sense torque... | 05/24/1988 |
| 4743092 | Polarizing grids for far-infrared and method for making same A polarizing wire grid filter for use at far infrared frequencies is provided through simple photographic method which employs a newly marketed silver diffusion transfer-developer combination package film and a portable instant developing machine, all sup... | 05/10/1988 |
| 4725787 | Phase-conjugated hybrid slab laser A relatively low-power but high-quality laser oscillator is coupled to a high-power laser amplifier. The amplifier includes a rectangular slab of laser active material, and a phase-conjugate end mirror.... | 02/16/1988 |
| 4712881 | Birefringent artificial dielectric structures A metallic pattern is applied to a dielectric substrate to form the inventive device. The pattern is a mesh or array of islands with two-fold symmetry, i.e., bisymmetrical but with unequal orthogonal dimensions. Lamination of the devices may be formed to ... | 12/15/1987 |
| 4710941 | Perforated electrodes for efficient gas transfer in CW CO2 waveguide lasers A gas laser is provided with elongated electrodes having apertures therein. he electrodes provide a transmission line for an HF electromagnetic pump which ionizes the gas, and the apertures are distributed and offset to provide passageways for efficient in... | 12/01/1987 |
| 4709368 | Side-arm phase-conjugated laser A phase-conjugated Q-switched laser resonator. The resonator contains a laser active material and a polarizer/quarter-wave plate combination in a starter cavity. The polarizer optically couples one plane of polarization of laser radiation into a side arm ... | 11/24/1987 |
| 4699472 | Polarization controlling device and method An unpolarized light beam is split into two orthogonal polarized beams. Each polarized beam is attenuated by passing it through the sequence of a first polarization rotator, an analyzer, and a second polarization rotator. The attenuated beams are combined... | 10/13/1987 |
| 4699084 | Apparatus for producing high quality epitaxially grown semiconductors A high pressure furnace and reusable demountable containment means for setive in situ information of epitaxial layers on a semiconductor substrate while under gas overpressure. The containment means has vent means therein for allowing the inert and reduc... | 10/13/1987 |
| 4689650 | Infrared epitaxial detector structure and method of making same Successive layers of a II-VI ternary buffer layer and a II-VI ternary nar-bandpass infrared-absorbing layer are grown by MBE on a III-V binary substrate with low surface defect density. The composition of the buffer layer is chosen to lattice match with ... | 08/25/1987 |
| 4689798 | Transverse ring RF line for CO2 laser A far-infrared laser structure is provided wherein a uniform longitudinal ectric field mode is provided for a radio frequency pump by means of a set of fully or near-fully circular ring shaped electrodes.... | 08/25/1987 |
| 4686761 | Method of fabrication of low crosstalk photodiode array A photodiode array structure and method of fabrication is provided. The ay is fabricated on a substrate as a multilayer structure with a novel combination of different type layers and then separated into optically independent diodes by delineation of the... | 08/18/1987 |
| 4687886 | CAM activated printed circuit board multicircuit electrical switch A cam activated electrical switching means for an elastic multicircuit printed circuit board (PCB). A plurality of PCB reeds with disattached portions at one end nearest the edge of the PCB are cut out in the generally central portion of the PCB, and an e... | 08/18/1987 |
| 4687967 | Infrared image cathode ray tube A cathode-ray tube with a target face consisting of electron-absorbing and nfrared emitting islands of material on a thermally-conductive substrate. A modulated electron beam scanned over a regular array of such islands induces a mid or far infrared image ... | 08/18/1987 |
| 4682954 | Cryptographic process and enciphered product 1. A cryptographic process for enciphering a text sheet having pictorial intelligence thereon in the form of opaque and transparent areas comprising the steps of placing a key sheet having random alternate opaque and transparent areas in registered relati... | 07/28/1987 |
| 4682179 | Omnidirectional electromagnetic lens An electromagnetic lens formed of a refractive material with a reflective rface. The lens is a body of revolution having an upper parabolic reflective surface and spherical side and bottom surfaces. Incoming radiation is refracted at one spherical surface... | 07/21/1987 |
| 4679936 | Process and apparatus for measuring optical density changes and transit times in transparent materials A recirculating optical/electronic closed loop feedback process and appars in which nanosecond light pulses are triggered by a pulse generator upon arrival of previous signals that have just completed a round trip through the closed loop feedback system.... | 07/14/1987 |
| 4677469 | Method of and means for measuring performance of automatic target recognizers A method and apparatus for scoring the performance of a video automatic tet recognizer (ATR). A video scene signal supplied to the ATR is subtracted from the ATR video output signal to yield a difference signal indicative of targets identified by the ATR... | 06/30/1987 |
