Ergonomic two-thumb keyboard
FIG. 1 is an isometric view of a ergonomic two-thumb keyboard constructed in accordance with the invention showing the left and right thumb keyboards;
FIG. 2 is a bottom isometric view of the ergonomic two-thumb keyboard of FIG. 1 showing the keys arranged for use by the first and second digits of the left and right hands for data entry;
FIG. 3 is a top view of the ergonomic two-thumb keyboard of FIG. 1 and FIG. 2 showing the keys of the device arranged for use by the left and right thumbs for data entry;
FIG. 4 is a bottom view of the ergonomic two-thumb keyboard of FIG. 1 and FIG. 2 showing the keys arranged for use by the first and second digits of the left and right hands for data entry;
FIG. 5 is a top end view of the ergonomic two-thumb keyboard showing a section of the housing of the data entry device of FIG. 1 and FIG. 2;
FIG. 6 is a left side view of the ergonomic two-thumb keyboard showing a section of the housing of the data entry device of FIG. 1 and FIG. 2;
FIG. 7 is a right side view of the ergonomic two-thumb keyboard showing a section of the housing of the data entry device of FIG. 1 and FIG. 2; and,
FIG. 8 is a bottom end view of the ergonomic two-thumb keyboard showing a section of the housing of the data entry device of FIG. 1 and FIG. 2.
Claims
The ornamental design for a ergonomic two-thumb keyboard, as shown and described.
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Type: Grant
Filed: Mar 6, 2003
Date of Patent: Feb 22, 2005
Inventor: Thom Gambaro (Portland, OR)
Primary Examiner: Freda S. Nunn
Attorney: Northwest IP Law Group, LLC
Application Number: 29/177,348