Telephone ear cushion

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment

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D03668797

REFERENCES:
patent: D57961 (1921-05-01), Bozzelle et al.
patent: D131719 (1942-03-01), Kesh
patent: D174778 (1955-05-01), Smith
patent: D317009 (1991-05-01), Stevenson
patent: D325804 (1992-05-01), Meyers, Jr. et al.
patent: D326658 (1992-06-01), Ruiz-Ramirez
patent: D333311 (1993-02-01), Davis
patent: D342410 (1993-12-01), Boyd
patent: 2468721 (1949-04-01), Volkmann
patent: 3243527 (1966-03-01), Sternheim
patent: 3848281 (1974-11-01), Mathews

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