Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Patent
1992-12-10
1994-05-17
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
Patent
active
D03469840
REFERENCES:
patent: D74362 (1928-02-01), Estes
patent: D106675 (1937-10-01), Osbrink
patent: D256898 (1980-09-01), Barr
patent: D257586 (1980-12-01), Heenan et al.
patent: 1574738 (1926-02-01), Cretney
patent: 1707432 (1929-04-01), Erickson
patent: 3134184 (1964-05-01), Neblett
Burke Wallace R.
Jackson Marcus
Pac-Tec, Inc.
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