Combination speaker and microphone assembly

Information

  • Patent Grant
  • D346804
  • Patent Number
    D346,804
  • Date Filed
    Monday, November 18, 1991
    32 years ago
  • Date Issued
    Tuesday, May 10, 1994
    30 years ago
Abstract
Description
Claims
  • The ornamental design for a combination speaker and microphone assembly, substantially as shown and described.
US Referenced Citations (8)
Number Name Date Kind
D175440 Palo Aug 1955
D195956 Spilman Aug 1963
D203187 Deschamps Dec 1965
D264335 Huntington May 1982
D293239 Larson et al. Dec 1987
D295404 Tokiyama Apr 1988
D307907 Siddoway et al. May 1990
4199721 Ono et al. Apr 1980