Knee keyboard

Details Knee keyboard Knee keyboard

2005-08-23

2005-08-23

Nunn, Freda S. (Department: 2911)

Recording, communication, or information retrieval equipment

Computer, data processor equipment

Element or attachment

Design Patent

active

D0508697

CLAIM:
The ornamental design for a knee keyboard, as shown and described.

REFERENCES:
patent: D288097 (1987-02-01), Harter
patent: 5029260 (1991-07-01), Rollason
patent: 5623869 (1997-04-01), Moss et al.
patent: 5825612 (1998-10-01), Aubuchon et al.
patent: D402643 (1998-12-01), Grassel
patent: D408388 (1999-04-01), Wiggins
patent: 5927210 (1999-07-01), Hacker
patent: 5957595 (1999-09-01), Chen
patent: 6132118 (2000-10-01), Grezeszak
patent: 6353530 (2002-03-01), Zarek et al.
patent: 6529369 (2003-03-01), Zarek et al.

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