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Security Engineering, Inc.
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Forestville, CT, US
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Patents Grants
last 30 patents
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Patent Grant
Fail-secure and fail-safe door lock mechanism
Patent number
4,579,376
Issue date
Apr 1, 1986
Security Engineering, Inc.
Newton W. Charlton
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Patent Grant
Electric fail-secure/fail-open lock mechanism
Patent number
4,557,121
Issue date
Dec 10, 1985
Security Engineering, Inc.
Newton W. Charlton
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Trademark
last 30 trademarks
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Trademark
73570230 - BRACK-IT
Serial number
73570230
Registration number
1436356
Filing date
Nov 25, 1985
SECURITY ENGINEERING, INC.
12 - Vehicles
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Trademark
73508626 - SEI
Serial number
73508626
Registration number
1361406
Filing date
Nov 13, 1984
SECURITY ENGINEERING, INC.
6 - Common metals and their alloys
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Trademark
73342687 - TAM STAT
Serial number
73342687
Registration number
1232493
Filing date
Dec 21, 1981
Security Engineering, Inc.
6 - Common metals and their alloys