U.S. patent number D543,244 [Application Number D/237,654] was granted by the patent office on 2007-05-22 for pencil sharpener. This patent grant is currently assigned to Matsushita Electric Industrial Co., Ltd.. Invention is credited to Toshiaki Tsuruha.
United States Patent | D543,244 |
Tsuruha | May 22, 2007 |
Inventors: | Tsuruha; Toshiaki (Hirakata, JP) |
---|---|
Assignee: | Matsushita Electric Industrial Co.,
Ltd. (Osaka, JP) |
Appl. No.: | D/237,654 |
Filed: | September 2, 2005 |
May 31, 2005 [JP] | 2005-015694 | |||
Current U.S. Class: | D19/73 |
Current International Class: | 1906 |
Field of Search: | ;D8/91,98 ;D19/72-74,96,97,99 ;30/451-462 ;144/28.1,28.11,28.2-28.7,28.72,28.8,28.9 |
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