Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1993-09-03
1995-01-17
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
Patent
active
D03544478
REFERENCES:
patent: D258122 (1981-02-01), Sinn
patent: D260376 (1981-08-01), Lawing
patent: D267554 (1983-01-01), Swinstead
patent: D273568 (1984-04-01), Woods et al.
patent: D281587 (1985-12-01), Busse
patent: D310640 (1990-09-01), Woods et al.
patent: 5255196 (1993-10-01), Tran et al.
patent: 5256835 (1993-10-01), Rydzak
patent: 5307281 (1994-04-01), Wollmann
See attached Schedule A.
Ascom Hasler Mailing Systems Inc.
Davis Antoine D.
Douglas Alan P.
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