Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 5055498 | Plastic crayon The solid marking composition of the invention includes from about 15% up to about 50% by weight of a polyethylene resin component having a specific gravity in the range of from about 0.95 up to about 0.96. In addition, the composition of the invention in... | 10/08/1991 |
| 5023823 | Multiple channel communications system and packaging configuration therefor In accordance with one illustrated embodiment herein, a personal computer system such as that known as the PC/AT is adaptable by means of its expansion slots so as to provide a multichannel communications capability, with a plug-in communications board pr... | 06/11/1991 |
| 5019699 | Hand-held optical character reader with means for instantaneously reading information from a predetermined area at an optical sensing area In a preferred arrangement, a lens system having circular symmetry in the hand-held reader focuses the entire width of area information onto an area photosensor array with a single flash of a ring-type xenon flash tube which surrounds the lens system and ... | 05/28/1991 |
| 4941850 | Shielded cable connector The present invention provides a connector having a seamless tubular metallic shell which not only provides proper RFI/EMC shielding but also is constructed in such a way as to prevent ingress of moulding material into the spaces between contacts of the c... | 07/17/1990 |
| 4936116 | Gem compound The invention relates to a gem compound comprising a plurality of gems bearing a melt adhesive layer, wherein the gems bear on their setting side a first melt adhesive layer, therebelow a filling layer which fills the spaces between the individual gems, a... | 06/26/1990 |
| 4925020 | Environmentally sound carrier package A container package including a series of similarly configured containers maintained in adjacent relation by a series of interconnected rings formed from a resilient deformable material each surrounding one of the containers of the container package. A pl... | 05/15/1990 |
| 4900062 | Process for perfuming books, device for carrying out said process, so-obtained perfumed book The process for perfuming books comprising applying at least one perfumed essence in a liquid state on at least one outer surface of the flyleaves of the book, adjacent to the back of the volume block of the book, and/or adding at least one perfumed essen... | 02/13/1990 |
| 4786022 | Attaching device An attaching device is provided for securing a first support element in a selected position relative to an angularly disposed second support element. The device includes a base member having a first section disposed in face to face relation with respect t... | 11/22/1988 |
| 4784658 | Container construction with helical threaded extractor A flexible diluent container has a helical threaded port plug which enhances or modifies the mechanical interlock with a stopper of an additive vial in a drug delivery system. The additive vial is screwed into the port of the diluent container with the re... | 11/15/1988 |
| 4752983 | Surgical instrument cleaning device A device is provided which is adapted for use in surface cleaning a soiled portion of a surgical instrument. The device includes a hollow casing having an elongated slot formed in an exterior surface of the casing. The slot permits the soiled portion of t... | 06/28/1988 |
| 4716980 | Control system for rider vehicles An electric rider vehicle control system is disclosed which includes a dead man brake that is normally set to prevent coasting, and controls which release the brake and permit normal transport operation of the vehicle at multiple speeds by an operator on ... | 01/05/1988 |
| 4698475 | Machine tool pallet that clamps the workpiece to the pallet A workpiece pallet suitable for fixing and transferring workpieces on machine tools is provided with direction-bound guidance on transfer holders. The transfer holders cooperate with a workpiece loading mechanism. The direction-bound guidance devices are ... | 10/06/1987 |
| 4677270 | Spark erosion machine with coupled wire electrode guidance heads A spark erosion machine having two spaced apart wire electrode guidance heads, which are forcibly coupled with one another in such a way that the guidance heads are always coaxial to one another. The forced coupling takes place by a hydraulic system that ... | 06/30/1987 |
| 4635340 | Method of machining a workpiece in a turret lathe and an NC lathe for performing this method A method of machining a workpiece, which is rotatable about a first axis, by a tool pivotable about a second axis parallel to the first axis and drivable about a third axis perpendicular to the second axis. To allow the circumference of the workpiece to b... | 01/13/1987 |
| 4627180 | Excavating bucket An open ended cylindrical casing is provided with a pair of semicircular blades rotatably mounted to the lower open end of the casing so that the blades may be rotated from a digging position where they project downward from the lower end of the casing to... | 12/09/1986 |
| 4587933 | Cylinder block for internal combustion engine A cylinder block for an internal combustion engine is provided which includes a plurality of relatively spaced free-standing cylinder tubes disposed within a cooling jacket formed in the block. The cylinder tubes are connectedly supported by, and extend u... | 05/13/1986 |
| 4286410 | Assembly for weather-sealing a joint An assembly is provided for weather-sealing an elongated joint formed between a first member and a second member when said members are disposed at a predetermined relative position. The assembly includes an elongated piece having elongated interconnected ... | 09/01/1981 |
| 3965558 | Wire termination apparatus Apparatus for forming solderless terminations in a connector is provided which trims the wires to be terminated and locates the trimmed wires in precise predetermined parallel spaced positions. An adapter having a connector mounted therein is movable into... | 06/29/1976 |
