Computer trackball

Information

  • Patent Grant
  • D342241
  • Patent Number
    D342,241
  • Date Filed
    Friday, March 8, 1991
    33 years ago
  • Date Issued
    Tuesday, December 14, 1993
    30 years ago
Abstract
Description
Claims
  • The ornamental design for a computer trackball, as shown and described.
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Foreign Referenced Citations (2)
Number Date Country
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Continuation in Parts (1)
Number Date Country
Parent 598562 Oct 1990