Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1995-01-11
1996-04-09
Seifert, Ralf
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
Patent
active
D03686680
REFERENCES:
patent: D136369 (1943-09-01), Kuppersmith
patent: D205138 (1966-06-01), Darrah
patent: D263335 (1982-03-01), Bujan
patent: D301018 (1989-05-01), Hestich
patent: D347799 (1994-06-01), Dunham et al.
patent: D360677 (1995-07-01), Ledbetter et al.
patent: 5226447 (1993-07-01), Burley
Stash Andrew G.
Wildman Craig R.
Hochberg D. Peter
Jaffe Michael
Kusner Mark
Seifert Ralf
Tridelta Industries, Inc.
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