Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1986-12-23
1989-07-25
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
73300
Patent
active
D03023931
REFERENCES:
patent: D289384 (1987-04-01), Faulconer
patent: D289505 (1987-04-01), Faulconer
patent: 4352168 (1982-09-01), Anderson
patent: 4466283 (1984-08-01), Osterhout
patent: 4753117 (1988-06-01), Osterhout
Bethel George F.
Bethel Patience K.
Holtje Nelson C.
U.S.D. Corp.
Veynar Caron D.
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