Measuring – testing – or signalling instruments – Time-measuring instrument or casing
Patent
1988-04-11
1991-03-12
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Time-measuring instrument or casing
D10 46, D10103
Patent
active
D03153134
REFERENCES:
patent: D260495 (1981-09-01), Von Gunten
patent: D269070 (1983-05-01), Bell
patent: 4168525 (1979-09-01), Russell
patent: 4505595 (1985-03-01), Rose
patent: 4632570 (1986-12-01), Kelsey
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