Keyboard including trackball

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Information

Patent Grant
D291574

References
Source

Patent Number
D291,574
Date Filed
Monday, January 14, 1985
39 years ago
Date Issued
Tuesday, August 25, 1987
37 years ago

Inventors
- Syng N. Kim
Original Assignees
- Wico Distribution Company, L.P.
Examiners
- Feifer; Melvin B.
Agents
- Emrich & Dithmar

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 100
- D14 114
- D13 12
- D13 32
- D13 37
- D21 48
- D21 13
- 273 148 B
- 273 DIG 28
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a keyboard including trackball, as shown and described.

US Referenced Citations (1)

Number	Name	Date	Kind
D285201	Kim	Aug 1986

Non-Patent Literature Citations (2)

Entry
Computer Design, 9/80, inside front cover, Megatek/Whizzard 7200 Keyboard.
Computer Design, Apr., 1981, p. 54, Cybernex XL-83 Keyboard.