Dual display device
United States Patent D618683

Wilson, Scott Harold (Chicago, IL, US)
Christopher, Stephen (Chicago, IL, US)
Harris, Jonathan Reed (Redmond, WA, US)
Application Number:
Publication Date:
Filing Date:
Microsoft Corporation (Redmond, WA, US)
Primary Class:
International Classes:
(IPC1-7): 1402
Field of Search:
348/184, D14/315, 349/1, D14/336, 349/2, 348/180, 248/917-924, D14/318, 348/373, D14/371-375, 361/679.04, 345/87, D14/126-129, 341/12, 345/901-905, 349/58, 345/156, 345/168, 345/173, 349/62, D14/337, 345/104, 348/739
View Patent Images:
US Patent References:
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D584726Portable information terminal unitJanuary, 2009MoritaD14/341
20060109259Storage medium storing image display program, image display processing apparatus and image display methodMay, 2006Ohta345/173
D517545Electronic bookMarch, 2006Buckel et al.D14/345
20050264540Data processing device, data processing method, and electronic deviceDecember, 2005Niwa345/173
D511162Electronic book having multiple viewing panesNovember, 2005MajumderD14/345
20040212602Display deviceOctober, 2004Nako et al.345/173
D490807Portable information terminal unitJune, 2004MurataD14/345
6667877Dual display device with lateral withdrawal for side-by-side viewingDecember, 2003Duquette361/679.04
20030090473Multiple screen automatic programming interfaceMay, 2003Joshi345/173
D391987Digital bookMarch, 1998Jambhekar et al.D14/345
D366280Luminous drawing surface and night lightJanuary, 1996HendersonD19/52

Primary Examiner:
Attorney, Agent or Firm:
Microsoft Technology Licensing, LLC (Redmond, WA, US)

1. The ornamental design for a dual display device, as shown and described.


FIG. 1 is a front perspective view of a dual display device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right view thereof; and,

FIG. 6 is a left view thereof.

The broken line showings of the dual display device are for environmental purposes and form no part of the claimed design.