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 |
| 5336165 | Artificial kidney for frequent (daily) Hemodialysis A hemodialyzer apparatus comprises a reusable dialyzer membrane as well as reusable blood flow path and dialysis flow path units. The apparatus automatically primes itself and makes dialysis solution from dry chemicals, concentrates, and fresh water which... | 08/09/1994 |
| 5318531 | Infusion balloon catheter A balloon catheter comprises a catheter shaft and a balloon carried on the shaft, an inflation lumen being provided. The balloon comprises a plurality of holes of a size to permit medication delivered through the lumen to pass outwardly through the holes.... | 06/07/1994 |
| 5316157 | Rack having beams and columns of differing numbers A rack, and particularly a pallet rack which comprises at least two pairs of spaced, parallel rails. The pairs of rails typically carry at least one rolling cart for receiving a pallet. The rails are carried on at least a first beam and a second beam, the... | 05/31/1994 |
| 5290443 | Faucet with microbial filter A faucet-mounted filter in which a housing is positioned in flow transmitting relation with the water flow line. A microporous, filter is positioned to sealingly occlude water flow through the housing so that all water flow through the housing must pas th... | 03/01/1994 |
| 5290264 | Grippable guard for needle assembly A hollow needle carried in a hub, the needle and hub being carried on the end of tubing in flow-communicating relation between the needle and tubing. The hub defines typically a pair of wings extending transversely outwardly from the hub in opposite direc... | 03/01/1994 |
| 5290232 | Replaceable dilatation catheter A balloon dilatation catheter comprises a flexible, tubular catheter shaft which carries a dilatation balloon adjacent the distal end. The catheter shaft defines an inflation lumen communicating with the balloon and a guidewire lumen extending at least mo... | 03/01/1994 |
| 5290306 | Puncture resistant balloon catheter A balloon catheter having an inflatable balloon in which the outer surface of the inflatable balloon is surrounded by an elastomeric sleeve. The sleeve is attached throughout at least a majority of its area to the balloon outer surface to provide pin hole... | 03/01/1994 |
| 5282571 | Plastic visor clip A plastic clip for automobile visors and the like. The clip comprises a plastic material impregnated with an aroma-creating material which is continuously released from the plastic material into the air for a period of weeks when mounted on the visor. The... | 02/01/1994 |
| 5281970 | Device for accentuating the range of hand-held remote control transmitters A range accentuating device for remote control transmitters, used in connection with automobile and other types of accessories and options, is provided. The invention is comprised of an antenna, and a receptacle to couple the remote control transmitter, v... | 01/25/1994 |
| 5279596 | Intravascular catheter with kink resistant tip An intravascular catheter comprises a proximal portion and a distal portion. The proximal portion has greater torsional stiffness than the distal portion, while the distal portion has greater dependability than the proximal portion. In accordance with thi... | 01/18/1994 |
| 5273070 | Water treatment apparatus Water treatment apparatus having a raw water inlet and a treated water outlet and at least a first and second water treatment tank plus conduit means for passing water from the inlet to the outlet through the first and second tanks in parallel flow relati... | 12/28/1993 |
| 5269759 | Magnetic guidewire coupling for vascular dilatation apparatus Apparatus and method are disclosed for facilitating balloon catheter exchange in the vascular system of a patient. The apparatus and method concern means for holding a guidewire longitudinally fixed with respect to a guiding catheter while a balloon cathe... | 12/14/1993 |
| 5266072 | Guarded winged needle assembly A slotted guard for locking a needle in a shielded position as the needle is removed from a patient, and a guarded winged needle assembly including not only such a slotted, locking guard, but also a needle (with a winged hub attached thereto) slidably mou... | 11/30/1993 |
| 5254107 | Catheter having extended braid reinforced transitional tip A catheter comprises a flexible, plastic catheter shaft which carries an embedded fibrous, tubular reinforcement member typically of the braided type. The catheter shaft defines a first section which comprises a first plastic material and a second section... | 10/19/1993 |
| 5254257 | Reclaiming of spent brine The method of purifying spent brine from the regeneration of ion exchange resin, for example resin in water softeners. The method comprises acidifying the spent brine to a pH of less than 3 with an acid other than sulfuric acid, which acid is preferably c... | 10/19/1993 |
| 5248305 | Extruded tubing and catheters having helical liquid crystal fibrils Extruded catheters and other flexible plastic tubing may be manufactured with improved rotational and/or longitudinal stiffness, compared with catheters made of more conventional plastics. A tubing of liquid crystal polymer plastic-containing material may... | 09/28/1993 |
| 5242170 | Golf tee A two-piece, realignable golf tee comprises a lower, integrally molded plastic piece comprising a ground spike, a central flange, a relatively thin, flexible retainer shaft extending away from the ground spike in substantially parallel relation, and an en... | 09/07/1993 |
| 5242430 | Limited turn handle for catheter A rotary handle for attachment to a proximal end of a catheter. The handle comprises a handle member, and a tubular grip member rotatably affixed in generally coaxial relation about a portion of the handle member. An apertured, elastomeric block is provid... | 09/07/1993 |
| 5239285 | Low salt level sensor A low salt level sensor comprising a float within a brine tank, apparatus for detecting whether the float has risen in response to the addition of a predetermined amount of water to the brine tank to a height such that an adequate supply of salt is presen... | 08/24/1993 |
| 5226889 | Double balloon catheter for stent implantation A balloon catheter comprises a flexible catheter shaft and at least a pair of inflatable balloons carried on the shaft. Each of the balloons communicate with a separate inflation lumen extending longitudinally within the shaft. One of the pair of balloons... | 07/13/1993 |
| 5226318 | Weathering tester A weathering testing system comprises a rack for carrying samples to be tested with the samples having inner-facing surfaces, and a lamp centrally positioned of the samples. Blower means are provided for directing a stream of air through the rack. By this... | 07/13/1993 |
| 5225845 | Slip-on portable antenna A portable antenna is provided for mounting on a motor vehicle's side window and enabling easy and rapid mounting and removal. The portable antenna includes a base member with a current-fed radiator carried by the base member and having a first portion fo... | 07/06/1993 |
| 5223816 | Security and communication system with location detection An improved security and communication system accurately and quickly locates the position of a signaling portable radio frequency transmitter. When a portable transmitter is activated, a first signal, including identification information, is emitted. The ... | 06/29/1993 |
| 5220840 | Method of calibrating light output of a multi-lamp light fastness testing chamber The light output of a multi-lamp lightfastness testing chamber defining a sample testing area in the chamber may be performed by sequentially turning on and off each lamp by itself, while measuring from the sample testing area the irradiation provided by ... | 06/22/1993 |
| 5218370 | Knuckle swivel antenna for portable telephone A portable telephone comprises a telephone housing, a connection member having a longitudinal axis attached to said housing and communicating outwardly therefrom, an antenna carried on the connection member, and a pivot system associated with the connecti... | 06/08/1993 |
| 5212386 | High speed cross-correlation frequency domain fluorometry-phosphorimetry Apparatus for cross-correlation frequency domain fluorometry and/or phosphorimetry in which means are provided for sequentially performing runs of the cross correlation frequency domain fluorometry and/or phosphorimetry at sequentially differing first and... | 05/18/1993 |
| 5209742 | Curved catheter with eccentric lumen A catheter is made by extrusion of flexible plastic to form a tubular basic catheter body with a central channel. A curved end part is formed in one end thereof, with the central channel lying in eccentric relation inwardly toward the inside of the curved... | 05/11/1993 |
| 5207656 | Medical instrument valve having foam partition member A medical instrument such as a catheter introducer comprises a housing. The housing includes a valve for receiving and sealing an elongated member which penetrates the valve. The valve comprises an elastomeric partition member. By this invention, the part... | 05/04/1993 |
| 5205822 | Replaceable dilatation catheter A balloon dilatation catheter comprises a flexible, tubular catheter shaft which carries a dilatation balloon adjacent the distal end. The catheter shaft defines an inflation lumen communicating with the balloon and a guidewire lumen extending at least mo... | 04/27/1993 |
| 5176652 | Hemostasis valve A hemostasis valve comprises a housing defining a passage therethrough adapted to receive an elongated member such as a catheter in hemostatically sealed condition. An elastic gasket valve is carried in the housing having slit means capable of permitting ... | 01/05/1993 |
| 5176660 | Catheter having reinforcing strands A flexible catheter comprises at least one resilient, tubular layer in telescoping relation with a tubular sheath made of helically disposed crossing strands. At least one of the strands has a width that substantially exceeds its height, preferably having... | 01/05/1993 |
| 5176135 | Implantable defibrillation electrode system An electrode system is provided for an implantable cardiac defibrillator. The electrode system includes a first endocardial lead having at least one electrode and a second epicardial or extrapericardial lead with an electrode that has a flexible configura... | 01/05/1993 |
| 5174466 | Tank lining system with neck seal A tank lining system comprises a tank having a wall defining a first opening. A flexible sheet lining abuts the interior surface of the wall and defines a second opening that is aligned with the first opening of the tank wall. A first collar surrounds the... | 12/29/1992 |
| 5171232 | Catheter having highly radiopaque, flexible tip A flexible plastic catheter defines a flexible, distal tip. In accordance with this invention, the distal tip comprises a plastic formulation containing sufficient radiopaque agent to be substantially more radiopaque and preferably softer than portions of... | 12/15/1992 |
| 5171227 | Separable peritoneal dialysis catheter A peritoneal dialysis catheter comprises a distal tubular section and a proximal tubular section, connected together by a nonintegral tubular connector so that the respective sections are connected together in sealed flow relation. Such a catheter may be ... | 12/15/1992 |
| 5168280 | Antenna with push-in cable connector An antenna cable connector system is provided comprising a coaxial cable having a main central conductor, a coaxial dielectric, a coaxial braid conductor, and an outer insulative jacket. A connector having a conductive tube at its distal end receives the ... | 12/01/1992 |
| 5167647 | Catheter with a strain relief member A catheter, such as an angiographic catheter, comprises a flexible, tubular, catheter body which is attached at one end to a strain relief member. A coupling element or hub is carried at the same end of the catheter, with the strain relief member typicall... | 12/01/1992 |
| 5163431 | Angiographic catheter An angiographic catheter which comprises a relatively stiff, tubular, basic catheter body and a less-stiff, tubular, end part connected to one end of the basic body. The end part has a curved form which comprises at least first and second tubular portions... | 11/17/1992 |
| 5164181 | Enzyme castration of animals Male animals may be chemically castrated by injecting both testes and/or both spermatic cords with a castratingly effective amount of a protease enzyme such as a chymopapain-rich enzyme preparation.... | 11/17/1992 |
| 5160608 | High efficiency water treatment system A system for treating a portion of water passing through a pressurized water conduit. The system comprises water treatment means such as a reverse osmosis module. An upstream branch line communicates between the pressurized water conduit and the inlet of ... | 11/03/1992 |