Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1987-10-28
1990-05-01
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03075605
REFERENCES:
patent: D258577 (1981-03-01), Bottner
patent: D261371 (1981-10-01), Lewis
patent: D272993 (1984-03-01), Chan
patent: D275657 (1984-09-01), Kahl, Jr.
patent: D277652 (1985-02-01), Kahl, Jr.
patent: 4418335 (1983-11-01), Genahe
Application Ser. No. 07/039,488 filed Apr. 6, 1987.
Andrews Arlan K.
Dickson David M.
McGarvey John N.
Zambelli Michael P.
American Telephone and Telegraph Company
AT&T Information Systems Inc.
Burke Wallace R.
Jackson Marcus
Morra Michael A.
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