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 |
| 7285319 | Engraved surface and method An engraved surface in a metallic workpiece and an engraving method therefor, for use in providing a decorative metallic surface. An engraved pattern is formed in a workpiece prior to the formation of an electroplated layer that continuously extends over the engrave... | 10/23/2007 |
| 7240619 | Identifiable bullet which is unduplicatable This invention is intended to provide an identifiable bullet which is unduplicatable by a third party. The means is to place plural (two or more) kinds of identification codes onto or into a bullet and to make the identification codes mutually related. By thi... | 07/10/2007 |
| 7207272 | Identifiable bullet which is unduplicatable This identifiable bullet which is unduplicatable by a third party places plural (two or more) sets of identification codes onto or into a bullet and to make the identification codes in concordance. Thus, the bullet remains identifiable. At least one set of the ident... | 04/24/2007 |
| 7143697 | Apparatus and method for identifying ammunition The present invention is directed to identifying ammunition. In one embodiment, an identifiable ammunition cartridge includes a bullet having a first identification surface, a casing having a second identification surface, and an identifying code positioned on at le... | 12/05/2006 |
| 7028588 | Tool having easily identified size A tool comprises a surface area, the area being printed in one of two different first colors for identifying the tool as one labeled in either the British system or the metric system, and a numeral as a representation of a size of the tool disposed in the area, the ... | 04/18/2006 |
| 6358427 | Marking diamond An invisible information mark is provided on a facet of a diamond gemstone by applying a plasma resist to the exposed surface of the gemstone, applying an electrically conducting layer of metal to the region where the information mark is to be formed, abl... | 03/19/2002 |
| 6294237 | Free form laminated cardstock assembly An assembly for creating free form laminated objects, such as a throwing toys or napkin ring that can be printed or decorated by the use of printer or copier without jamming. The assembly includes a sheet of cardstock or thin printable sheet material, a s... | 09/25/2001 |
| 5662976 | Laminated card assembly An assembly for creating laminated cards for printing by a laser printer has a backing sheet. The backing sheet has a first side with a release coating, and a second side with a printable surface. The assembly also has a card which has been cut from the b... | 09/02/1997 |
| 5562962 | Extrudable film labelstock for in-mold labeling Labelstock for in-mold labeling purposes which is characterized by a tensile ultimate elongation per ASTM D-882 of at least about 10% in one or both of the machine and transverse directions, and which contains a sufficient amount of one or more slip addit... | 10/08/1996 |
| 5554034 | Workpiece organizer An organizer is disclosed herein for identifying a workpiece with a noted project or owner on a work chart. The chart has rows and columns containing indicia characterizing the workpiece and further including visual labels of a given shape and identificat... | 09/10/1996 |
| 4588339 | Tool holder for a cutting machine provided with numerical control A tool of a metal-cutting machine provided with numerical control has an information data carrier for storing various data of tool characteristics such as the length, diameter, service life and other parameters of the tool. The data carrier is formed by a... | 05/13/1986 |
| 4560426 | Process for the manufacture of identity cards Disclosed is a method of manufacturing multilayer identity cards by electrophotographically reproducing identity information on a card core material and then laminating protective film on both sides of the core material. In preferred embodiments, the core... | 12/24/1985 |
| 4425769 | Method for treating a gem and gem treated with this method A method for treating a gem stone to cause a marking thereon, wherein a photoresist resin is secured to the stone, a photographic film bearing the desired marking is applied over said resin, said resin is developed by exposing same to a light source, the ... | 01/17/1984 |
| 4351548 | Method of constructing tire and identification tag therefor Method of constructing pneumatic tire where at least one ot its elements is comprised of a heat-curable rubber composition, an improvement in which such composition is identified with a releasably attached identification tag containing an information-prov... | 09/28/1982 |
| 4304809 | Identity card with grid images Disclosed is an identity card having grid images thereon comprised of a linear grid structure. In various embodiments, the grid depths of the individual grid images differ and can produce several different image colors. The card in a further embodiment ca... | 12/08/1981 |
| 4208231 | Method of making multilayer edge-sealed record carrier In one method of making the record carrier, a paper sheet is formed with an almost completely perforated punch or blanking line defining a paper insert or core, and a separating layer is applied to the upper surface of the paper sheet in bordering relatio... | 06/17/1980 |
| 4168586 | Identification method and structure The present invention relates to a method for assisting in the identification of valuable articles which comprises selecting a carrier, transcribing information as to the identity of the valuable on the carrier, and fixing the carrier to a portion of the ... | 09/25/1979 |
| 4161830 | Device for identifying ingots or castings A device for use in identifying ingots or castings comprises a thin planar body of a refractory material which has a characteristic shape and a dovetail cross-section so that the body has one face with a smaller surface area than the opposite face, and a ... | 07/24/1979 |
| 4158079 | Composite material and a process and device for its manufacture A composite material for graphical applications, in particular for nameplate production and having foil of aluminium or one of its alloys stuck on to a support foil. This aluminium foil bears on its side facing away from the supporting layer an aluminium ... | 06/12/1979 |
| 4084032 | Process for making hot stamping foil for producing textured surface effects A carrier sheet or material of indefinite length coated with heat transferable coatings usually referred to as hot stamp tape or foil is provided with a coat or coats of a material which provides the surface hot stamped with a textured surface, that is on... | 04/11/1978 |
| 4056952 | Diamond bearing microscopic certificate of appraisal A diamond with an inscription comprises a diamond gem structure having an outer surface cut and polished into a specific shape and a microscopic inscription formed at a specific position on the outer surface of the diamond gem structure. The inscription h... | 11/08/1977 |
