Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 5327585 | Cool cap An elongated, semi-flat tubular body constructed of flexible fluid impervious material is provided and the tubular body is divided into separate longitudinally spaced compartments along longitudinally spaced flexible transverse zones of the body. The comp... | 07/12/1994 |
| 5327586 | Dance skirt A dance skirt is made up of overlapping, downwardly divergent panels, each panel individually connected at its upper edge to a common waistband but otherwise unconnected to one another so as to extend freely away from the waistband, the waistband having f... | 07/12/1994 |
| 5327587 | Illuminated safety helmet An illuminated safety helmet including at least one electroluminescent strip permanently adhered to a helmet shell which is powered by a power unit arranged on the helmet shell, where the power unit includes a rechargeable battery. Power is supplied to th... | 07/12/1994 |
| 5327588 | Safety helmet for cyclists A safety helmet is of the streamlined, aerodynamically contoured type, to provide enhanced performance at high speeds. The aft lower end portion of the helmet external shell includes a cavity, this cavity receiving a light-emitting device with self-enclos... | 07/12/1994 |
| 5327589 | Toilet seat raising mechanism A mechanism for raising a toilet seat includes a foot pedal that operates or controls a slotted lifting lever located below a pneumatic cylinder assembly. Upward arcuate motion of the lever exerts a lifting force on the lower end of the cylinder portion o... | 07/12/1994 |
| 5327590 | Automatic swimming pool cover with a dual hydraulic drive system A hydraulic drive system is described for automatic swimming pool cover systems in which a hydraulic drive provides torque for both resisting cover drum rotation during cover extension across the pool and rotating the cover drum for cover retraction, whil... | 07/12/1994 |
| 5327591 | Three frame convertible futon sofa bed A three piece sofa bed recliner has an end frame, seat frame and back frame. The frame ends are linked overlapped. Interengaging the seat frame with the back frame enables a simple conversion process from sofa bed to recliner. The back frame and end frame... | 07/12/1994 |
| 5327592 | Stationary patient lift A stationary patient lift can be used by individuals in their own homes to lift disabled and elderly individuals living with them. The lift has an electric hoist/winch for lifting the patients from a bed to a chair or wheelchair and back again to the bed.... | 07/12/1994 |
| 5327593 | Device for supporting and positioning patients A device for cooperating with a vertically movable bed for supporting and positioning patients is provided. The device comprises a frame adapted to be positioned along one side of the bed with one or more cross members extending over the bed. Flexible sup... | 07/12/1994 |
| 5327594 | Sliding rails for crib rail A device for positioning a slidable crib rail including a sliding rail having an upper and a lower locating hole, and an upper and a lower arresting block located closer to an end of the sliding rail than the upper and the lower locating hole respectively... | 07/12/1994 |
| 5327595 | Bedclothes retainer devices A device for retaining bedclothes in position on a bed by use of one or more bands transversely encircling a mattress and a band extending around the foot end of a set of box springs to hold a top sheet and/or other item of bedclothes having a retaining f... | 07/12/1994 |
| 5327596 | Combination spring/foam cushioning An improved spring/foam cushion is formed of an assembly of an integral foam body sandwiched between two foam caps, and imbedded with individual spring units.... | 07/12/1994 |
| 5327597 | Convoluted mattress pad having multiple proximate peaks A foam mattress pad, and process for production, having a bottom surface, a convoluted top surface and apertures extending through the pad randomly placed in relation to the convoluted pattern of the top surface. The convoluted top surface of the pad comp... | 07/12/1994 |
| 5327598 | Massage mattress This invention relates to an improved massage mattress and in particular to one including a body formed of foamed material and having a plurality of vertical through holes, and a plurality of emulsion members each solidified and formed integral with a cor... | 07/12/1994 |
| 5327599 | Hospital bed with bed pan insert A bed includes a mattress having a head section, foot section, and a medial section disposed between the head and foot sections. A frame supports the mattress sections. A plate is disposed within the frame for supporting the mattress medial section. The p... | 07/12/1994 |
| 5327600 | Patient gurney with adjustable hand holds A patient gurney with adjustable hand holds for easy carrying. The hand holds are spaced from the plane of the bed of the gurney and are arranged so that one set may above that plane and one set below so that the device may be readily carried down stairwa... | 07/12/1994 |
| 5327601 | Split abrasive roll attachment system A split abrasive roll is provided, including cooperative engaging members (3) disposed on both the rotatable shaft (2) of an abrasive machine and the inner surface of the roll member. The cooperative engaging members affix the center portion of the split ... | 07/12/1994 |
| 5327602 | Combination pliers and spanner wrench A spanner wrench is clamped to one component of a conventional pair of pliers and is prevented from turning relative to that component by the same pivot element which pivotably connects the two plier components to one another.... | 07/12/1994 |
| 5327603 | Combined pulsator and drum type washing machine This invention provides a combined washing machine in which pulsator type and drum type washing machine features are united such that they can be selectively utilized depending upon a desired washing condition, thereby executing optimal washing operation.... | 07/12/1994 |
| 5327605 | Energy-absorbing span lock system for drawbridges An energy absorbing span lock system for drawbridges, such as a double-leaf bascule leaf span. A retractable and extendible connector mounted on one leaf of the span engages a receiver on the other leaf. Resilient energy absorbing shoes in the receiver ac... | 07/12/1994 |
| 5327607 | Toothbrush for cleaning multiple sides of teeth An ansate oral prophylaxis device includes a hand engageable shaft having a bristle carrying head at one end. The head is configured for oral anti-carries and periodontal prophylaxis with simultaneous bristle contact against all accessible tooth and adjac... | 07/12/1994 |
| 5327608 | Moving bristle brush A brush has bristles that tilt laterally out in a first position and tilt laterally in in a second position and are moved back and forth between the two positions to provide a brushing action. The bristles shown are mounted on a flexible membrane that is ... | 07/12/1994 |
| 5327609 | Mopsweeping apparatus with continuous action Mopsweeping apparatus is disclosed which has a housing adapted to move over a surface to be cleaned. A cooperating pair of rollers is carried by the housing and comprises a first roller having a dust gathering cloth wound thereon and a second roller on wh... | 07/12/1994 |
| 5327610 | Adjustable, removable, locking handle for floor polishers and the like A releasable clamp for the interior of an elongated tube, for use in telescopic tube arrangements and the like. The clamp comprises an outwardly expandable split ring having open ends and sides of cylindrical configuration, the sides of the split ring exp... | 07/12/1994 |
| 5327611 | Hair brush A snap-together, two piece, injection molded hairbrush includes a brush body and a bristle insert. The brush body includes a head and a handle. The head has a first and second end and a first and second side. The first and second ends and first and second... | 07/12/1994 |
| 5327612 | Plastic molded trowel handle having fingerguard and palm grip A trowel handle is injection molded from two separate types of plastic. An inner core is molded together with a finger guard from a plastic providing a smooth surface of a first coefficient of friction with the user's hand. The finger guard covers the met... | 07/12/1994 |
| 5327613 | Automotive wiper apparatus with combined operation of spraying and wiping A wiping and spraying apparatus is provided for wiping away dirty articles such as dead insects caked on the surface of a windshield of an automobile. The apparatus includes a wiper blade with adjustable depression force as well as first and second reserv... | 07/12/1994 |
| 5327614 | Windshield cleaning system with pipe and conductor in wiper shaft A windshield cleaning system with a wiper shaft for driving a wiper arm-and-blade assembly is described, which windshield cleaning system comprises an axial bore for forming a washing liquid channel, whereby at least one electric conductor for heating the... | 07/12/1994 |
| 5327615 | Windshield wiper blade assembly including conical cleaning tips A wiper blade assembly has an elongate carrier strip for supporting on a windshield wiper arm, a pair of spaced, flexible wiper blades depending parallel to one another from the carrier strip with a gap between the blades, and a cleaning member supported ... | 07/12/1994 |
| 5327616 | Cabinet hinge The present invention relates to a cabinet hinge (10) for hanging a door on a cabinet whose front opening is narrowed by a frame reaching inward at right angles from the side walls, which is at least partially overlapped by the inside of the closed door. ... | 07/12/1994 |
| 5327617 | Electrostatic opening and short fiber separation apparatus for carding machines An electrostatic opening and short fiber separation apparatus for carding machines making use of a high voltage electrostatic field; which produces different forces on filaments, short fibers, and dust; in cooperation with a plurality of suction devices t... | 07/12/1994 |
| 5327618 | Hose clamp incorporating tightening screw This invention relates to a hose clamp constituted by a band of material, generally metal, wound on itself, one of the ends of said band presenting relief elements forming a rack, whilst on the other end is fixed a housing which constitutes the support of... | 07/12/1994 |
| 5327619 | Plunger releasable latch A fastener constructed of a receptacle enclosure shell (10), a frame structure (30) containing flexible beams (34, 35), and a plunger insert (50), is disclosed. The flexible beams (34, 35) contain transverse fins (36, 37) for releasably engaging internal ... | 07/12/1994 |
| 5327620 | Fastening means for connecting a gaiter to a roller skate A fastening means to secure a gaiter to a roller skate or the like is composed of at least a buckle integral to the back of the skater and a fasten belt on the gaiter adopted to be detachably secured to the buckle in a manner that the position of the fast... | 07/12/1994 |
| 5327621 | Method of producing fabric reinforcing matrix for composites A reinforcing matrix is produced using a plurality of regulating members (pins) removably arranged in rows in a predetermined direction on a base. Yarns are woven between the pins on the base repeatedly looping back and forth between spaced apart position... | 07/12/1994 |
| 5327622 | Highlighted non-blended continuous filament carpet yarn Moresque or berber continuous filament yarn is prepared by supplying a first group of continuous filaments to a first entangling zone where harsh nodes are created so that the first group has a yarn harshness of at least about 200. One or more other group... | 07/12/1994 |
| 5327623 | Semi-automated button closing machine A method and apparatus for substantially automatically joining front and back parts of buttons employs a turntable with retaining means that are rotated through a series of stations at which the parts are placed in the retaining means in a desired orienta... | 07/12/1994 |
| 5327624 | Method for forming a thin film on a semiconductor device using an apparatus having a load lock A method for forming a thin film on a semiconductor substrate wherein the substrate is transferred between an auxiliary chamber having an inert atmosphere to a reaction chamber having a reactive atmosphere, and wherein the inert and the reactive atmospher... | 07/12/1994 |
| 5327625 | Apparatus for forming nanometric features on surfaces An instrument for forming nanometric features on surfaces of materials having a motor driven support for moving a workpiece on an X-Y-Z axis, a scribing tool of nanometric proportion engagable with the workpiece and a laser system for sensing movement. Th... | 07/12/1994 |
| 5327626 | Method for processing robust acoustic reflectors A reflector arrangement for an acoustic wave device comprises an acoustic wave propagating substrate, reflection elements having at least two different widths separated by at least one gap breadth disposed on the acoustic wave propagating substrate. The a... | 07/12/1994 |
