Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1987-08-31
1990-12-11
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D03127958
REFERENCES:
patent: Re27496 (1972-10-01), Andrews
patent: D212906 (1968-12-01), Bobrick
patent: D286861 (1986-11-01), Hollinger et al.
patent: 1256737 (1918-02-01), Small
patent: 3522657 (1970-08-01), Metrulis
patent: 4506451 (1985-03-01), Hiltz
patent: 4648185 (1987-03-01), Brandimarte
patent: 4697349 (1987-10-01), Lee
Davis Antoine D.
Haynes J. David
Holtje Nelson C.
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