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Ergonomic and functionally-efficient race-track button arrangement circumferentially coupled to a display device

Assignee: MICROSOFT CORPPriority: Apr 30, 2004Filed: Apr 30, 2004Granted: Feb 7, 2006

Est. expiryApr 30, 2024(expired)· nominal 20-yr term from priority

Inventors:Hok-Sum Horace Luke David W. Williams Otto Berkes Victor Blanco

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CLAIM 
     
       The ornamental design for an ergonomic and functionally-efficient race-track button arrangement circumferentially coupled to a display device, as shown and described.

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