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 |
| 4590110 | Grid construction for runner or doormat A grid designed for use as a runner or a doormat comprises a multiplicity of parallel profiled bars, preferably of plastic, having a generally U-shaped cross-section with two upstanding flanges interconnected at their lower ends by a horizontal web. In ce... | 05/20/1986 |
| 4587148 | Flocked floor mat with foraminous layer Article suitable for floor mats comprising a backing, a foraminous element bonded thereto, said element characterized by having a multiplicity of openings therein, and bristles bonded to the backing, said bristles having a length such that they will protr... | 05/06/1986 |
| 4479280 | Mat base plate A mat base plate for use with a shrinkable mat is shown including an upstanding rim extending around a floor of the mat base plate. The rim has a plateau surface at the top thereof, an outer wall and a slope extending from said plateau, continuously to th... | 10/30/1984 |
| 4361925 | Mat-base assembly Mat-base assembly comprises a base including a sheet integrally formed of an elastomeric polymer, a picture frame-like projection formed on the periphery of the sheet and a mat-containing portion formed on the inner side of the peripheral projection, a du... | 12/07/1982 |
| 4353944 | Shoe scraper mat A shoe scraper mat comprising a mat holder of a heavy-gage rubber having a bottom plate and surrounding walls extending upright along the perimeter of the bottom plate, thus defining a space enclosed by the walls and a mat body which is fitted detachably ... | 10/12/1982 |
| 4221833 | Pile textile article and process for preparation A plurality of substantially parallel filamentary textile materials are assembled in a bundle to make a textile pile element. One end of the bundle has a base joining the materials at one end in a stable condition whereas the other end of the bundle conta... | 09/09/1980 |
| 4059865 | Shoe cleaning mat Brush bodies are held in recesses between webs for cleaning of a shoe by way of a foot mat of rubber, synthetic material or metal and the brushes project over the webs of the grate-formed mat. The brush bodies are insertable in the mat to be easily replac... | 11/29/1977 |
| 3982977 | Dust collection mats A dust control mat having a pile fabric upper surface and a bottom calendered rubber stock sheet which employs an anti-tear strip located perpendicular to the grain or calendered direction of the rubber stock sheet between the rubber sheet and a latex bac... | 09/28/1976 |
