Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 4441211 | Protective batting jacket A protective batting jacket is disclosed having a plurality of shock absorbing structures selectively positioned to be adjacent predetermined body locations of the batter to protect the batter from injury caused by a pitched ball. The shock absorbing stru... | 04/10/1984 |
| 4441212 | Bib A bib, preferably disposable, having a top panel, a full-width pocket, and an apron panel depending below the pocket. Preferably, the apron panel pendulously depends from the upper edge of the front wall of the pocket so that the weight of the apron panel... | 04/10/1984 |
| 4441213 | Flexible tear resistant protective glove for use on high voltage systems A flexible, tear resistant, protective glove, particularly for use near live wires or equipment, is of unitary structure, having an inner layer of natural rubber, particularly suited for high voltage protection, and an outer layer of urethane elastomer bo... | 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 |
| 4441215 | Vascular graft Vascular graft of synthetic material including a tubular member having a braided inner layer and a compliant outer covering layer where the braided layer includes a plurality of interwoven groups of filaments. The filaments can be constructed either of me... | 04/10/1984 |
| 4441216 | Tissue heart valve and stent An improved stent for prosthetic tissue heart valves having upright legs which have radiused upper tips which are approximately one-half the width of prior art stent legs is disclosed. These narrow tipped stent legs reduce stress induced in the leaflets b... | 04/10/1984 |
| 4441217 | Intraocular lenses A method of correcting aphakic conditions in human eyes and a novel intraocular lens structure for accomplishing such are disclosed wherein the lens structure has a light focusing lens body with oppositely disposed support members for supporting the lens ... | 04/10/1984 |
| 4441218 | Position adjusting device for sanitary and plumbing units using water under pressure The invention relates to a position-adjusting device for sanitary and plumbing units using water under pressure, such as water closets, bidets, washbasins, showers, and the like. Position adjustments may be desirable in order to accommodate the needs of p... | 04/10/1984 |
| 4441219 | Lavatory accessory An accessory intended to be added to an existing toilet aids personal hygiene by providing a cleansing jet of either water, or water plus a liquid soap fluid, to provide a cleansing and washing action to a person following use of the toilet. Water plus a ... | 04/10/1984 |
| 4441220 | Recreational apparatus An outdoor article of furniture includes a base and an elongate bed-like support mounted on the base for rotation and limited tilting movement relative to the base. Power means are provided and rotate the support at a rate of two revolutions per hour so t... | 04/10/1984 |
| 4441221 | Child support wedge A gymnastic and support wedge for babies and toddlers, especially for multiple and severely handicapped children at kingergarten and school age, includes a wedge-like base plate member, a pair of lateral trough wedge members mountable on the base plate me... | 04/10/1984 |
| 4441222 | Automatic bed maker An electrically-operated bed cover making apparatus secured to the frame of a bed and operable to cause a framework carrying a plurality of arms to be lifted from the foot of the bed to the head by utilizing a pair of rotating wheels on either side of the... | 04/10/1984 |
| 4441223 | Healthful quilt The healthful quilt comprises a cotton sheet, natural of synthetic, and a cover. Near one end of both the cotton sheet and the cover is cut a long head hole, of the same size and at the same location, through which a human head can pass from under the qui... | 04/10/1984 |
| 4441224 | Method of continuously treating a fibrous suspension A method and apparatus for effecting washing, bleaching, or thickening, etcetera of paper pulp of the like utilizes stationary screens, yet provides efficient treatment without significant screen clogging. Pulp introduced into the bottom of a cylindrical ... | 04/10/1984 |
| 4441225 | Shoeshining machine and method of supporting shoe during shining A portable shoeshining machine is provided. The machine comprises an elongated housing having front and rear ends and sides. A shoe entry means is provided on the front end for inserting the shoe into the housing. A shoe support means is also provided for... | 04/10/1984 |
| 4441226 | Car washing apparatus Apparatus for detecting the position of an object, for example, a licence plate, on the exterior of a car during the washing thereof includes a rotary brush which is driven by a hydraulic motor and is mounted on a pivotable structure adapted to move relat... | 04/10/1984 |
| 4441227 | Brushes and the manufacture thereof The invention relates to a brush provided with bristles made of an organic thermoplastic synthetic material such as nylon, particularly a tooth-brush. The free ends of the bristles which are sharp and therefore able to damage soft surfaces are made round ... | 04/10/1984 |
| 4441228 | Dust mop A dry mop especially adapted for collecting and pushing dust and fine dirt on or from smooth surfaces includes a plurality of dusting elements, a mop frame and fastening means for holding the dusting elements in a side-by-side relationship to the mop fram... | 04/10/1984 |
| 4441229 | Rotary cleaner-polisher A rotary flooring cleaner-polisher wherein a shroud overlies a plurality of floor contacting rotating wands. The operator is able to selectively supply fluid, a vacuum or both to the area beneath the shroud permitting both application and extraction withi... | 04/10/1984 |
| 4441230 | Molded knob with resilient friction fit finger A molded knob of the type which frictionally engages and slips over the end of a shaft of generally circular cross section and having at least one longitudinally extending flat surface. A hub is formed as part of the knob. A shaft receiving walled socket ... | 04/10/1984 |
| 4441231 | Massager for large meat sections A top loading, side discharge vacuum massage apparatus, has a spaced pair of agitators rotating about horizontal axes in upward counter-rotation. The tub sidewalls enshroud the agitators over 180° of angle and above the horizontal plane to promote the ma... | 04/10/1984 |
| 4441232 | Method and apparatus for removing a fiber fraction from seed cotton The present invention relates to a method and apparatus for recovering a fiber fraction from seed cotton. In a first embodiment of the present invention, a plurality of closely spaced, substantially parallel rollers are driven in a continuous path substan... | 04/10/1984 |
| 4441233 | Security seal with weakened portion in stud A security seal formed of a single piece of molded plastic and comprising an elongated strap having a socket at one end a stud at a medial portion, and a free end having an aperture to be received on the stud before the stud and socket are engaged. The se... | 04/10/1984 |
| 4441234 | Decorative cufflink The cufflink includes a decorative head element disassembly assembled to a shank and keeper unit. The decorative head element has a hole in which the shaft head with the aid of a spring which is mounted inside the element. Disassembly is achieved by pushi... | 04/10/1984 |
| 4441235 | Slide fastener with bottom stop A slide fastener bottom end stop comprises three members combinable into a functionally integral body upon being threaded through a slider. A first member which is mounted on a first bead and substantially identical in shape and size with a fastener eleme... | 04/10/1984 |
| 4441236 | Safety lock A usually unloaded feeler member responsive to a critical change of condition and incorporated in the lock of e.g. a buckle fastening of a safety belt, which feeler member is adapted under spring action to move the locking member of the lock from the lock... | 04/10/1984 |
| 4441237 | Inhomogenous anisotropic kinetic energy penetrators This invention is directed to a method of fabricating kinetic-energy projiles from composite materials in such a manner that the type and degree of local inhomogeneity and anisotropy is controlled for tailoring the mechanical and physical properties of t... | 04/10/1984 |
| 4441238 | Continuous production of polished and buffed tubing Apparatus is provided for the continuous production of tubing from steel strip. The formed tubing is continuously advanced along a straight-line path through polishing and buffing units to provide a smooth lustrous finish to the tubing, and through a coat... | 04/10/1984 |
| 4441239 | Method for manufacture of bearings A process for manufacturing an unground bearing suitable for high-speed applications comprises forming a subassembly including the inner race, ball and retainer; the subassembly being fabricated in a fixture which receives the balls from a standard ball f... | 04/10/1984 |
| 4441240 | Method of producing connecting rod of a radial piston motor A connecting rod of a radial piston motor comprising a spherical portion, a rod portion and a pad and a method of producing same, wherein the pad is formed separately from the spherical portion and the rod portion beforehand, and interfitting portions are... | 04/10/1984 |
| 4441241 | Method of manufacturing a heat exchanger unit The sides of a heat exchanger unit are joined with perimeter flanges which are folded one over the other and then crimped tightly in such fashion as to cause adjacent portions of the perimeter to extend at different angles in different planes resulting in... | 04/10/1984 |
| 4441242 | Spent fuel consolidation system The spent fuel consolidation system provides method and apparatus for remotely vertically and horizontally compacting an array of spent fuel rods while the fuel rods remain submerged in a coolant. The invention comprises a row ordering section for rearran... | 04/10/1984 |
| 4441243 | Camshaft bearing and method for mounting the camshaft The invention relates to a camshaft mounting for a one-piece camshaft supported in a cylinder head having three undivided bearing blocks. The camshaft 5 has three bearing portions of small diameter. One end bearing block (4) has a bore of the same diamete... | 04/10/1984 |
| 4441244 | Sealed bearing rotary rock bit assembly A water detecting system for detecting water in the bearings and lubricant reservoir system of a sealed bearing rotary rock bit permits detection and removal of water to decrease premature bearing failure caused by the presence of water on the bearing sur... | 04/10/1984 |
| 4441245 | Gang cutting tool assembly A gang tool assembly for drilling a precise pattern of holes in a workpeice or otherwise cutting surfaces and the like on such workpiece and including a mounting panel of rigid sheet material having a pattern of holes formed therein to receive supports fo... | 04/10/1984 |
| 4441246 | Method of making memory cell by selective oxidation of polysilicon A dynamic read/write memory cell of the one transistor N-channel silicon gate type is made by an improved process employing selective oxidation of polysilicon using PN junction capacitors. A relatively flat surface results from the process, which is favor... | 04/10/1984 |
| 4441247 | Method of making MOS device by forming self-aligned polysilicon and tungsten composite gate A process is described for forming MOS circuits which include underlying polysilicon members such as gate members covered with metal. In one embodiment, a self-aligning tungsten process is used to cover the polysilicon members. Low temperature "rear end" ... | 04/10/1984 |
| 4441248 | On-line inspection method and system for bonds made to electronic components On-line inspection of electric characteristics of a semiconductor device can be achieved during a step of bonding a lead wire to a chip surface of the semiconductor device in the process of fabricating an electronic component, by the use of a circuit arra... | 04/10/1984 |
| 4441249 | Semiconductor integrated circuit capacitor Polyoxide capacitors for semiconductor integrated circuits having oxide dielectric films of 500 Angstroms or less are fabricated using in-situ doped polysilicon layers to have electrical field breakdowns of from 6 to 9 MV/cm. The first polysilicon layer i... | 04/10/1984 |
| 4441250 | Apparatus for registering a mask pattern in a photo-etching apparatus for semiconductor devices An apparatus is provided for registering a pattern on a mask plate with a pattern already formed on a semiconductor wafer. A reflector group is provided on the wafer comprising a plurality of reflectors having a predetermined shape, interval and alignment... | 04/10/1984 |
