TREA

Three dimensional coordinate digitizer

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Information

  • Patent Grant
  • D288815
  • Patent Number
    D288,815
  • Date Filed
    Friday, April 27, 1984
    41 years ago
  • Date Issued
    Tuesday, March 17, 1987
    38 years ago
Information
Abstract
Description
Claims
  • The ornamental design for a three dimensional coordinate digitizer, as shown and described.
US Referenced Citations (37)
Number Name Date Kind
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3883861 Heartz May 1975
3919691 Noll Nov 1975
3921165 Dym Nov 1975
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4078314 McMurtry Mar 1978
4104648 Blumenthal et al. Aug 1978
4118871 Kirkham Oct 1978
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4176455 Copeland et al. Dec 1979
4196473 Chea Apr 1980
4240205 Tuss Dec 1980
4249314 Beck Feb 1981
4270277 Koenuma Jun 1981
4317383 Kurosaki et al. Mar 1982
4331954 Bauman et al. May 1982
4477973 Davies Oct 1984
Foreign Referenced Citations (1)
Number Date Country
3140231 Apr 1983 DEX
Non-Patent Literature Citations (1)
Entry
The Space Tablet brochure of Micro Control Systems.