U.S. patent number D633,506 [Application Number D/358,434] was granted by the patent office on 2011-03-01 for keyboard. This patent grant is currently assigned to Wisconsin Alumni Research Foundation. Invention is credited to J. Bern Jordan, David P. Kelso, Gregg C. Vanderheiden.
United States Patent | D633,506 |
Jordan , et al. | March 1, 2011 |
Inventors: | Jordan; J. Bern (Madison, WI), Vanderheiden; Gregg C. (Madison, WI), Kelso; David P. (Madison, WI) |
---|---|
Assignee: | Wisconsin Alumni Research
Foundation (Madison, WI) |
Appl. No.: | D/358,434 |
Filed: | March 26, 2010 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
29341785 | Aug 12, 2009 | D613746 | |||
29304846 | Mar 7, 2008 | D603865 | |||
Current U.S. Class: | D14/455 |
Current International Class: | 1402 |
Field of Search: | ;D14/454,455,456,315,320,331,333,334,338,339,341,342,343,344,345,346,347,387,390,391,392,393,394,395,396,397,398,399,400,401,406,429,432,439,457,460,461,247,150,218,900,901,902,137,138R,138AA,138AB,138AC,138AD,138C,138G ;D21/333,329,331 ;D18/1,2,7,52,25,29 ;D13/138,171 ;400/88,109,110,111,484,485,486,487,488,490,492,493,494,496,904 ;345/168,169,170,171 ;455/556.1,556.2 ;D20/11,22,27 |
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