Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1988-08-15
1991-02-26
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D03149242
REFERENCES:
patent: D229858 (1974-01-01), Santinelli
patent: 1194182 (1916-08-01), Kaplan
patent: 1532297 (1925-04-01), Bausch et al.
patent: 1827093 (1931-10-01), McCabe
patent: 2834114 (1958-05-01), Dahlberg
patent: 3140546 (1964-07-01), Bartlett
patent: 3386173 (1968-06-01), Kiralfy
patent: 4610090 (1986-09-01), Brady
Dyer, Various Calipers, 1983, 61-54.
Brown & Sharpe, Shop & Tool Manual, Caliper and Dividers, 1983, p. 165.
Davis Antoine D.
Holtje Nelson C.
May Wm. Randall
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