Measuring – testing – or signalling instruments – Clock or clock case – Combined
Patent
1983-08-03
1986-04-22
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Combined
D10 15, D10 71
Patent
active
D02834936
REFERENCES:
patent: D201300 (1965-06-01), Seely
patent: D271025 (1983-10-01), Li
patent: 1334145 (1920-03-01), Eaton
patent: 4282571 (1981-08-01), Giovannoli
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