Keyboard with a trackball

- Silitek Corporation
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Description

FIG. 1 is the enlarged perspective view of a design for a keyboard with a trackball showing my design;

FIG. 2 is the front elevational view thereof;

FIG. 3 is the rear elevational view thereof;

FIG. 4 is the left side elevational view thereof;

FIG. 5 is the right side elevational view thereof;

FIG. 6 is the top plan view thereof; and,

FIG. 7 is the bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D338665 August 24, 1993 Riley et al.
D340445 October 19, 1993 Marquardt et al.
D348453 July 5, 1994 Riley et al.
Other references
  • Ergonomische Tastaturgestaltung (Design For An Ergonomic Keyboard).
Patent History
Patent number: D363277
Type: Grant
Filed: Dec 17, 1993
Date of Patent: Oct 17, 1995
Assignee: Silitek Corporation (Taipei)
Inventor: Stephen Chung (Taipei Hsien)
Primary Examiner: Freda Nunn
Law Firm: Browdy and Neimark
Application Number: 0/16,463
Classifications
Current U.S. Class: D14/115