Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1976-05-13
1977-08-16
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D1004
Patent
active
D02454017
REFERENCES:
patent: D220061 (1971-03-01), Kerns
patent: 1015877 (1912-01-01), DuMouchel
patent: 2354737 (1944-08-01), Brown
Holtje Nelson C.
Net Check, Inc.
Paul, Jr. Henry N.
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