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 |
| 5358131 | Tamper-indicating plastic closure with segemented pilfer band A tamper-indicating plastic closure includes an annular pilfer band which is partially detachably connected to a skirt portion of the closure, whereby the pilfer band remains connected to the closure after closure removal from an associated container. The... | 10/25/1994 |
| 5356021 | Container closure with multiple liner seals A container closure having a multiple liner seal is disclosed. The closure comprises a plastic closure cap having a circular top wall portion and a depending annular skirt portion. The skirt portion has an internal thread formation for threadedly engaging... | 10/18/1994 |
| 5320233 | Tamper evident lug cap The present invention is directed to a lug cap or closure that is used in combination with a container for indicating that the container has been opened so as to indicate loss of seal or tampering. The lug cap includes an upper cap portion and a depending... | 06/14/1994 |
| 5320234 | Tamper-indicating plastic closure with pilfer band having staggered scores A tamper-indicating plastic closure includes an annular pilfer band which is partially detachably connected to the skirt portion of the closure, whereby the pilfer band remains connected to the closure after closure removal from an associate container. Th... | 06/14/1994 |
| 5307075 | Directional microstrip antenna with stacked planar elements A monolithically loaded microstrip antenna is provided for a communications function, such as a cellular telephone base station. The antenna includes a ground plane and a group of stacked, planar elements. A director element having a rectangular configura... | 04/26/1994 |
| 5299493 | System for monitoring trash compactors In a system for monitoring trash compactors, each monitoring unit associated with a trash compactor comprises a transducer for sensing hydraulic pressure, for generating an analog signal from the sensed pressure, and for converting the analog signal to a ... | 04/05/1994 |
| 5279894 | Curable silicone compositions and non-flammable cured products obtained therefrom A curable compositions suitable for use as a nonburnable adhesive is provided comprising a mixture of polysiloxane polymers comprising a straight chain component and a branched chain component, a platinum catalysts a liquid organohydrogen polysiloxane cro... | 01/18/1994 |
| 5276159 | Dynemicin analogs: syntheses, methods of preparation and use A fused ring system compound is disclosed that contains an epoxide group on one side of the fused rings and an enediyne macrocyclic ring on the other side of the fused rings. The compounds have DNA-cleaving, antimicrobial and tumor growth-inhibiting prope... | 01/04/1994 |
| 5270360 | Pattern forming thermoplastic compositions containing cross-linked poly(methylmethacrylate), patterns thereof and processes related thereto A two-phase thermoplastic composition adapted for forming thermoplastic patterns. The composition comprises an organic thermoplastic pattern material and at least about 5% by weight of discrete particles of cross-linked poly(methylmethacrylate) that are p... | 12/14/1993 |
| 5265391 | Stabilized modular shutter Modular shutter constructed of modular components including side rails, end rails, and a central generally planar panel member, and including a stabilizing member disposed between the edge of said central panel member and adjacent end rails and connectabl... | 11/30/1993 |
| 5261530 | Carrier stock with tear-open tabs Carrier stock formed from a single sheet of resilient polymeric material, such as low density polyethylene, for machine application to substantially identical containers. The stock is severable to form individual carriers with three longitudinal rows of c... | 11/16/1993 |
| 5261393 | Removable flexible finger covering with fingertip connector clip A readily removable slip-on flexible finger covering having a tubular-shaped sleeve-like portion and an elongated elastic strap extending therefrom for securing thereon a fingertip connector for connection between an actuated drive bar of a continuous pas... | 11/16/1993 |
| 5260765 | Beam alignment apparatus and method An optical alignment system includes a transmitter of a beam of radiant energy and receiver thereof. Both the transmitter and receiver carry a plurality of light emitting diodes. As the optical alignment between the transmitter and the receiver is altered... | 11/09/1993 |
| 5259522 | Linerless closure A linerless plastic closure is configured for side-sealing engagement with an associated container. The closure includes a circular top wall portion, and an annular skirt portion depending from the top wall portion, and including an internal thread format... | 11/09/1993 |
| 5258111 | Iodine doped polythienylene coated electrode An iodide-doped, polythienylene coated electrode suitable for a potentiometric iodide ion sensor and a method for its manufacture are disclosed. The electrode is prepared by polymerizing the polythienylene on a working surface thereof. To this end, the wo... | 11/02/1993 |
| 5255930 | Shopping cart having plastic basket A shopping cart comprises a wheeled chassis, a handle structure including two handle uprights, and a plastic basket comprising separate side, front, and bottom panel members molded from a suitable plastic and assembled without any need for an interior fra... | 10/26/1993 |
| 5255780 | Carrier stock with tear-open tabs Carrier stock formed from a single sheet of resilient polymeric material, such as low density polyethylene, for machine application to substantially identical containers. The stock is severable to form individual carriers with three longitudinal rows of c... | 10/26/1993 |
| 5256652 | Topical compositions and methods for treatment of male impotence A topical composition which enhances the maintenance of penis erection is disclosed. An effective dosage of a peripheral vasodilator, an absorption enhancer and, optionally, a vasoconstrictor and an alpha receptor blocker are combined with a pharmacologic... | 10/26/1993 |
| 5256212 | Method and apparatus for flame cutting a workpiece A method and apparatus are provided for cutting an elongate workpiece. A conveyor is provided for supporting the workpiece lengthwise along an X-axis in a mutually orthogonal X, Y, and Z-axis coordinate system. An X-axis positioner is provided for moving ... | 10/26/1993 |
| 5256064 | Dental prosthesis placement instrument An instrument employing multiple adhesives for manipulating and placing dental prosthetics includes an autoclavable handpiece and a removable, disposable foam double-stick pad with pressure-sensitive adhesive coated on opposite sides and protected by rele... | 10/26/1993 |
| 5253560 | Sheet dispenser A sheet dispenser for dispensing thin film such as collagen film for wrapping food. The dispenser consists of a cabinet in which a row of collagen film is supported on rollers and the film is pulled off the roll by driven rollers. When a predetermined len... | 10/19/1993 |
| 5254877 | Distributed power supply system One or more supplemental, pulsed energy sources can be used in combination with a pulsed, primary energy source which provides energy to a plurality of spaced apart loads. The loads are coupled to the pulsed, primary source by a pair of conductors. Each s... | 10/19/1993 |
| 5254240 | Hydrocracking of petroleum feedstocks using a tri-elemental catalyst with a titania-alumina support A tri-elemental catalyst suitable for hydrocracking and hydrogenation of aromatics-containing petroleum hydrocarbon feedstocks such as hydrotreated cracked feedstock, virgin feedstock, vacuum distillate, middle distillate, mixtures thereof, and the like, ... | 10/19/1993 |
| 5250426 | Molecules with antibody combining sites that induce asymmetry Monoclonal antibodies or paratope-containing portions thereof are disclosed that immunoreact with an enol ester substrate ligand having a prochiral center and catalytically hydrolyze a single predetermined e This invention was made with government support unde... | 10/05/1993 |
| 5249930 | Sump pump strainer and platform assembly A novel sump pump strainer assembly consisting of a basket having elongated circumferentially spaced openings disposed in a sump pit and having a sump pump located thereon. The basket is provided with a screen around its lower portion to prevent the intro... | 10/05/1993 |
| 5249713 | Pump valve assembly Package comprising a liquid receptacle and a hand pump arranged thereon, the actuating and dispensing head of which, which can be operated counter to the action of a compression spring, is provided with an outlet opening for the liquid. A protective cap i... | 10/05/1993 |
| 5250159 | Bipolar membrane stack and method for producing acid and monovalent base from impure salt A method and bipolar membrane stack for the generation of acid and alkali metal base solutions from an impure salt by electrodialysis. The unit cells of the stack comprise a novel arrangement of cation-selective membranes and an anion selective membrane w... | 10/05/1993 |
| 5248524 | Method and apparatus for zoned application of particles in fibrous material with dual dispensing nozzles An apparatus and method for effecting zoned deposition of superabsorbent particles in a fibrous web includes the use of dual dispensing nozzles for forming selected deposition patterns. Fluidized streams of the superabsorbent particles are formed, with ro... | 09/28/1993 |
| 5246429 | Absorbent article An absorbent mixture, as made from fibers formed into a fibrous web and a polymerizable, cross-linkable material, in a liquid carrier. The material, when polymerized and cross-linked, results in a superabsorbent polymer. The material, in the liquid carrie... | 09/21/1993 |
| 5246839 | Secretion plasmid comprising the kilgene The present invention provides for a plasmid, pEAP7ƊP, containing a DNA region capable of inducing extracellular secretion of a useful, physiologically active substance in transformed host and a promoter DNA region regulating expression of the first DNA ... | 09/21/1993 |
| 5244745 | Structural sheet and panel The invention relates to a structural sheet formed with cup-shaped projections in which the sidewalls are formed by a sigmoidal line of revolution to provide for more uniform distribution of stress in the structural sheet. There is also provided a novel t... | 09/14/1993 |
| 5243797 | Drywall finishing and masking accessory A wall construction comprises a ceiling or wall structure having an exposed surface, a drywall panel having an edge near such surface, and an accessory comprising a bead for finishing the edge and a separate, removable strip for masking a portion of such ... | 09/14/1993 |
| 5242438 | Method and apparatus for treating a body site with laterally directed laser radiation A method and device are provided for directing laser radiation to a body cavity site. A hollow, elongate, optical fiber is advanced, usually in a containing device, to the vicinity of the site and coupled to a laser source with a distal end region of the ... | 09/07/1993 |
| 5242437 | Medical device applying localized high intensity light and heat, particularly for destruction of the endometrium A medical device applies localized heat to a site in a patient's body by irradiation with light and by conduction. The device includes a radiant energy transmitting conduit, typically an optic fiber, that carries radiant energy, typically high intensity l... | 09/07/1993 |
| 5242340 | Low impact exercise apparatus An exercise apparatus for simulating stair climbing, stair hopping and downhill skiing is disclosed. The apparatus includes a base with a vertical support extending upwardly therefrom and a handrail supported by the vertical support. Two foot pedals are p... | 09/07/1993 |
| 5242068 | Tamper-indicating plastic closure A tamper-indicating plastic closure for a container comprises a plastic closure cap having a circular top wall portion, and a depending annular skirt portion. The closure further includes an annular pilfer band depending from the skirt portion which is at... | 09/07/1993 |
| 5242055 | Packaging system for medication A sealed package is provided for holding a predetermined supply of individual medication units, such as pills. The package includes a base panel defining a predetermined number of sealed compartments. The base panel includes opening means for accommodatin... | 09/07/1993 |
| 5241728 | Resilient clip A spring clip having a pair of jaws and a spring or biasing member interconnecting the jaws for biasing the jaws to a closed position, the spring including a support ledge defining a fulcrum for rotation of the jaws between the open and closed position in... | 09/07/1993 |
| 5243318 | Low noise precision resistor A low noise miniature potentiometer utilizes thick film deposits of resistive material which extend adjacent to deposits of conductive material. The conductive region is sliced into a plurality of spaced-apart conductive elements. Electrical paths through... | 09/07/1993 |
| 5243410 | Optical mixer A high efficiency optical mixer includes a source of focused radiant energy. The focused radiant energy is concentrated by a parabolic concentrator onto an exit port. A diffuse reflector, which can be planar or arcuate, is maintained in contact with the o... | 09/07/1993 |
