Measuring – testing – or signalling instruments – Dial – indicator hand – or other element or attachment – Watch or clock element – or attachment
Patent
1990-10-09
1993-04-06
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Dial, indicator hand, or other element or attachment
Watch or clock element, or attachment
Patent
active
D03345432
REFERENCES:
patent: 2344136 (1944-03-01), Dressen
patent: 2584270 (1952-02-01), Hucknall
patent: 4155219 (1979-05-01), Anderson
patent: 4916679 (1990-04-01), Agnello
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