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 |
| 7291015 | Articles with spinning globe The articles with spinning globe include articles worn by a user and containers in which a spinning or rotating globe is disposed. The articles of apparel may be a shirt, a pair of pants a hat or other wearing apparel. The container may be a backpack, a purse, a sui... | 11/06/2007 |
| 7207803 | Earth globe assembly An educational globe assembly is provided comprising a globe and a base cradle for the globe configured to removably and rotatably support the globe. The base cradle comprises a great circle ring, and the great circle ring comprises at least one annular indicia surf... | 04/24/2007 |
| 7021625 | Three-dimensional puzzle A three-dimensional puzzle of a familiar object, the puzzle including a support structure having the shape of the familiar object and a plurality of rigid, non-planar interlocking pieces that engage an outer surface of the support structure to form a representation ... | 04/04/2006 |
| 5882199 | Curved maps Maps are depicted on curved surfaces to present the shapes of geographical features without the distortion that is inherent in flat maps. In one of the disclosed embodiments, each of two or map posters has a curved map shell representing a geographical fe... | 03/16/1999 |
| 5676550 | Plate tectonic earth planet model An Earth planet model based on the science of plate tectonics. Accordingly, the model (10) includes a plurality of curved members (12), each curved member representing one of Earth's crustal tectonic plates. Each plate member (12) is formed of a durable, ... | 10/14/1997 |
| 5580253 | Geographical globe with an information base A geographical globe to provide geographical data about all of the continents so that a person can learn about those particular continents of interest. The geographical globe with an information base comprises an orb-shaped model assembly of the earth. A ... | 12/03/1996 |
| 5030100 | Environmental display system A system for displaying educational material relating to environmental matters comprises a computer, a laserdisc player for extracting video and audio signals and a globe which comprises a representation of the earth with an array of constantly spaced lig... | 07/09/1991 |
| 4595367 | Instructional globe An instructional globe facilitates the guided or self-directed study of terrestrial geography. A globe-shaped body is constructed so that major geographical features are represented on detachable appendages. Cues are provided for the proper placement of t... | 06/17/1986 |
| 4494935 | Multipurpose globe A globe apparatus is provided which includes a basic globe or sphere to which are secured a series of detachable members or pieces. In one preferred embodiment, land masses (continents) are represented by flat pieces which snap into the globe surface and ... | 01/22/1985 |
| 4300887 | Method of manufacture of raised relief illuminated globe A method of manufacturing a raised relief, illuminated globe includes printing a hemispherical map design on a flat vinyl plastic sheet, forming the vinyl plastic sheet into a substantially hemispherical shape, positioning the hemispherically formed sheet... | 11/17/1981 |
| 4257606 | Three-dimensional puzzle A three-dimensional puzzle comprised of matchable pieces each having a flat base to form a tabular surface when said pieces are matched. The pieces have varying and similar heights and contoured surfaces to generate a sculptured or three-dimensional subje... | 03/24/1981 |