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 |
| D647969 | Side opening clipboard | 11/01/2011 |
| D636818 | Clipboard | 04/26/2011 |
| D636440 | Clipboard with calculator | 04/19/2011 |
| D611543 | Clipboard | 03/09/2010 |
| D611542 | Clipboard | 03/09/2010 |
| D611544 | Foldable clipboard | 03/09/2010 |
| D605703 | Clipboard | 12/08/2009 |
| D602090 | Clipboard | 10/13/2009 |
| D601631 | Clipboard | 10/06/2009 |
| D599856 | Ring binder clipboard | 09/08/2009 |
| D595357 | Clipboard | 06/30/2009 |
| D586400 | Thin document case | 02/10/2009 |
| D580990 | Clipboard | 11/18/2008 |
| D578162 | Clipboard with pen holder | 10/07/2008 |
| D575826 | Clipboard | 08/26/2008 |
| D575347 | Clipboard with organizer box | 08/19/2008 |
| D574042 | Molded clipboard | 07/29/2008 |
| D572310 | Clipboard | 07/01/2008 |
| D572309 | Clipboard calculator | 07/01/2008 |
| D544917 | Clipboard | 06/19/2007 |
| D538348 | Clipboard | 03/13/2007 |
| D537876 | Children's activity set and lap desk | 03/06/2007 |
| D537120 | Clipboard | 02/20/2007 |
| D536736 | Project management organizer clip | 02/13/2007 |
| D533596 | Clipboard | 12/12/2006 |
| D532825 | Double clipboard | 11/28/2006 |
| D532048 | Privacy tablet | 11/14/2006 |
| D530371 | Children's activity set and lap desk | 10/17/2006 |
| D529958 | Children's fun board set | 10/10/2006 |
| 7103997 | Lottery card reader A lottery card reader has a clip made from two separate pieces that are assembled together and a transparent flap attached to the clip. The clip has a first and a second pair of arms attached to a pivot. The arms in the first pair are separated and the arms in the s... | 09/12/2006 |
| D525658 | Double handled clipboard | 07/25/2006 |
| D523080 | Children's activity set | 06/13/2006 |
| 7048245 | Computer copy holder A copy holder for use with a portable notebook computer is provided, having rectangular, relatively stiff sheet elements slidably disposed between upper and lower parallel channels affixed to the back of a computer screen. Hollow tubular members of square cross sect... | 05/23/2006 |
| D521561 | Double handled clipboard | 05/23/2006 |
| 7044294 | Box with hinged lid The invention relates to a box with a hinged lid wherein the lid is reliably closed by way of an enlarged collar section (20) as compared to conventional boxes with a hinged lid. The closure is even rendered more reliable by recesses on the insides of the lid... | 05/16/2006 |
| 7031428 | Substrate material for X-ray optical components There is provided a substrate material for an optical component for X-rays of wavelength λR. The substrate includes (a) a glass phase made of amorphous material having a positive coefficient of thermal expansion, and (b) a crystal phase including microcr... | 04/18/2006 |
| D519158 | Clipboard | 04/18/2006 |
| D518525 | Clipboard | 04/04/2006 |
| 7017878 | Book holder on the steering wheel A book holder for use with automobile steering wheel is not only fastened to the rim of an automobile or truck steering wheels so as to hold printed matter and various electronic devices, but also is foldable to smaller size for storage. The book holder can also be ... | 03/28/2006 |
| D518106 | Slot board | 03/28/2006 |
