Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1988-10-17
1991-01-22
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D03139450
REFERENCES:
patent: D250095 (1978-10-01), Douglas et al.
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patent: D259026 (1981-04-01), Thornton
patent: 3159086 (1964-12-01), Schwartz
patent: 3875669 (1975-04-01), Hull
patent: 4059907 (1977-11-01), Dauber
patent: 4126941 (1978-11-01), Clarke
patent: 4180226 (1979-12-01), Matte
patent: 4850115 (1989-07-01), Price et al.
Farthing Larry L.
Thomas Dennis E.
Davis Antoine D.
Holtje Nelson C.
Marrs Roger A.
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