Multi-function programmable electronic calculator

Information

  • Patent Grant
  • D328090
  • Patent Number
    D328,090
  • Date Filed
    Monday, July 16, 1990
    35 years ago
  • Date Issued
    Tuesday, July 21, 1992
    33 years ago
Abstract
Description
Claims
  • The ornamental design for a multi-function programmable electronic calculator, as shown and described.
US Referenced Citations (7)
Number Name Date Kind
D285805 Yubisui et al. Sep 1986
D293688 Yubisui et al. Jan 1988
D299464 Shiozawa et al. Jan 1989
D304930 Hongo et al. Dec 1989
D317781 Takahata Jun 1991
D317782 Haneda Jun 1991
D317935 Sawano Jul 1991