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GUARDIAN INTERLOCK SYSTEMS, INC.
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CINCINNATI, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Sobriety interlock with time-locked interlock mode
Patent number
4,697,666
Issue date
Oct 6, 1987
Guardian Interlock Systems, Inc.
Donald W. Collier
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
73666946 - GUARDIAN INTERLOCK RESPONSIBLE DRIVER PROGRAM
Serial number
73666946
Registration number
1679646
Filing date
Jun 17, 1987
GUARDIAN INTERLOCK SYSTEMS, INC.
37 - Building construction
Information
Trademark
73577383 - GUARDIAN INTERLOCK
Serial number
73577383
Registration number
1625664
Filing date
Jan 13, 1986
GUARDIAN INTERLOCK CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments