...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 |
| 7179082 | Process and apparatus for inner wall toasting of casks for wine guard by hot air convection A process and apparatus for inner wall toasting of casks for wine guard by hot air convection, with controlled temperature which allows setting desired cask heating time and temperature. The process comprises: (a) connecting the inside of the cask to mechanical elem... | 02/20/2007 |
| 7146748 | System for drying shopping carts The system for drying shopping carts dries a large number of wet shopping carts. The carts are loaded onto a conveyor belt. Side dryers located on either side of the conveyor belt initially dry the carts. The carts are passed under a freestanding arch having support... | 12/12/2006 |
| 6173507 | Arrangement and operation of improved dryer between shrinkage compactors to control residual shrinkage of wet knitted web to below that produced by tumble drying Apparatus and a related method control within acceptable limits, of less than two percent (2%), residual shrinkage in garments to be made from a knitted fabric web or other fabrics subject to high shrinkage. The knitted fabric web is passed continuously i... | 01/16/2001 |
| 5669156 | Can end curing system with magnetic fanning and belt conveying An article separating and drying system which receives container ends from an infeed station, separates and dries the container ends and the compound applied thereto in a separating and drying station, and passes the articles to an outfeed station. The ar... | 09/23/1997 |
| 5473825 | Process for continuously drying and stabilizing pasta and the like, and apparatus for implementing the process A process for continuously drying and stabilizing pasta and the like in which the product to be treated is subjected to a succession of cycles each including of an intense drying stage and a stabilizing stage for cooling in which the air temperature excee... | 12/12/1995 |
| 5450679 | Rotary oven conveyor A rotary oven conveyor apparatus is provided for receiving a continuous flow of articles such as can ends and for conveying the articles in an on-edge, spaced apart condition for a selectable predetermined period of time, to facilitate a treatment such as... | 09/19/1995 |
| 5388346 | Method and apparatus for drying ceramic ware by use of air jets Apparatus for drying articles, especially ceramic articles comprises a mould (14) For supporting the article to be dried, a turntable (10) For supporting and rotating the mould and at least one nozzle (18) For directing heated air on to the article (12), ... | 02/14/1995 |
| 5271161 | Method and apparatus for roasting barrels A method and apparatus for roasting barrels used in aging alcoholic spirits involves directing a heated air stream through the inside of the barrel at a predetermined temperature for a predetermined duration. Compared to prior methods and apparatus which ... | 12/21/1993 |
| 5271164 | Method and apparatus for drying containers A drying arrangement includes transport device which uses suction or magnetism to produce an attractive force via which containers can be picked up by their bottom wall after they have come out of a washing station, and carried with an open end thereof or... | 12/21/1993 |
| 4628615 | Process and installation for the heat treatment of cylindrical bodies, especially pipes The invention relates to a process and to an installation for the heat treatment of cylindrical bodies, in particular pipes, of ceramic material. During the treatment, the pipes are dried, heated and sintered, and subsequently cooled, in successively arra... | 12/16/1986 |
| 4333246 | Apparatus and method for drying can closures The present invention discloses a way of separating and treating the covered surfaces of stacked articles in abutting face-to-face contact. It is particularly applicable to stacked planar articles, those having a relatively small width dimension and at le... | 06/08/1982 |
| 4085517 | Article treatment apparatus Cup-shaped articles made of thermoplastic material which have their outer surfaces printed or coated with a heat-sensitive material are dried in apparatus wherein a feeding device conveys the printed or coated articles to the lower end of a vertical run o... | 04/25/1978 |