Bell

Details Bell Bell

1991-08-13

1993-03-30

Burke, Wallace R.

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Aural, i.e., audible

D11 55

Patent

active

D03343502

REFERENCES:
patent: D144424 (1946-04-01), Speck
patent: D144426 (1946-04-01), Speck
patent: D272523 (1984-02-01), P'eng
Altman's Catalog p. 95 1976 (J-character Mugs).

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