Telephone

Recording – communication – or information retrieval equipment – Computer – data processor equipment

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D02771802

REFERENCES:
patent: D133539 (1942-08-01), Dow
patent: D145800 (1946-10-01), House, Jr.
patent: D188368 (1960-07-01), Hale
patent: D212582 (1968-11-01), Feldmann et al.
patent: D260260 (1981-08-01), Thomas
patent: D260625 (1979-09-01), Schoolcraft
patent: D264076 (1982-04-01), Adams
patent: D267489 (1983-01-01), Daharsh et al.
Rawlings, 1981 Fall & Winter Equipment & Clothing Catalog, .COPYRGT.1981, p. 3, RTS-1 Helmet.
Spalding, Fall & Winter Cat., 1973, .COPYRGT.1972, p. 7, Football Helmet, item No. XR 50.

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