Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| D659199 | Game piece set | 05/08/2012 |
| D616948 | Chess set | 06/01/2010 |
| D609755 | Set of seven chess pieces | 02/09/2010 |
| D598960 | Chess set | 08/25/2009 |
| D567298 | September 11, 2001 commemorative chess set | 04/22/2008 |
| D564035 | Set of chess pieces | 03/11/2008 |
| D554199 | Chess game | 10/30/2007 |
| D536393 | Chess piece set | 02/06/2007 |
| D513770 | Set of chess pieces | 01/24/2006 |
| D493198 | Set of chess pieces | 07/20/2004 |
| 5957455 | Concealed chess game A strategy game involving traditional chess skills, decision-making and memorization, comprising a playing surface of checkered squares and concealed game pieces. Each player moves the game pieces similar to the corresponding rules of the traditional ches... | 09/28/1999 |
| 5490675 | Game set and storage system Game set and storage system in which game pieces are stored in a preset arrangement relative to their starting positions on the game board. The set includes a game piece holder which has a plurality of compartments for holding the game pieces in an invert... | 02/13/1996 |
| 4095801 | Chessmen contained by chess board or a cube container A set of chessmen comprising 32 pieces nesting vertically into a rectangular parallelepiped and contained by the folded chess board. Another embodiment of the set, (should a person have their own board) is that the nesting will layer into a perfect cube c... | 06/20/1978 |
| 3984110 | Chess set A portable interfitting cylindrical chess set in which the pieces are made of clear and smoked transparent plastic, and are played on a board made of reflective aluminized Mylar. Included are a pair of hourglass-like chess timers for indicating the time i... | 10/05/1976 |
