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 |
| 7690963 | Play mat The invention relates to the provision of a playmate and also a toy which includes a playmate and articles to be placed thereon in play. The playmat includes at least a portion, more typically a layer, of a magnetic or magnetically attractive material such as a meta... | 04/06/2010 |
| 7448932 | Toy A toy includes a toy member and one or more articles for detachable attachment to said toy member. Movement apparatus is provided for moving the articles between a first position, wherein the articles are detached from and a spaced distance apart from the toy member... | 11/11/2008 |
| 7059934 | Toy The invention relates to the provision of a play area of a toy, typically a model, said play area provided for the selective placement of toy articles thereon, at least one of which has a function which is activated by the provision of electrical power to the articl... | 06/13/2006 |
| 6824441 | Toy with moving character The invention relates to a toy comprising a surface along which an article is moved, in one embodiment, by the use of magnetic attraction between a movable magnet or magnetic material under the surface, and the article. The invention relates to the provision on the ... | 11/30/2004 |
| 6547625 | Toy with movement means The invention relates to the provision of a toy which comprises at least one article which is movable with respect to a play base and objects on the playbase. The article can have at least one part which is movable with respect to the remainder of the art... | 04/15/2003 |
| 6206746 | Control means for toy The invention relates to a toy comprising an article which is movable along a surface, the improvement of the article determined by a control, mounted under the surface. The control and article include magnetic materials to form a magnetic field between t... | 03/27/2001 |
| 6193581 | Toy with moving parts The invention relates to a toy having a play base and an article typically depicting a human or animal character which is movable along said play base by manipulation of magnetic or mechanical mechanism which, preferably, are not in direct contact with sa... | 02/27/2001 |
| 6102767 | Control means for toy The invention relates to a toy comprising an article which is movable along a surface, the movement of the article determined by a control, mounted under the surface. The control and article include magnetic materials to form a magnetic field between the ... | 08/15/2000 |
| 6056619 | Toy with moving article The toy and movable article which are the subject of this application provide for the article to be moved along a playbase by mechanical assembly and/or variable magnetic field which are remote from and not in physical contact with the article thereby giv... | 05/02/2000 |
| 5890944 | Toy with moving article The toy and movable article which are the subject of this application provide for the article to be moved along a playbase by mechanical assembly and/or variable magnetic field which are remote from and not in physical contact with the article thereby giv... | 04/06/1999 |
| 5766653 | Apparatus for forming malleable material The invention which is the subject of this application relates to apparatus for use in forming a malleable material such as, but not exclusively, modelling clay into a desired shape. The apparatus is provided for the reception of mold pieces therein which... | 06/16/1998 |
