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Twenty First Century International Fire Equipment and Services, Corporation
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Irving, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fire extinguishing systems and methods
Patent number
6,044,913
Issue date
Apr 4, 2000
Twenty-First Century International Fire Equipment and Services Corporation
Henry J. Stehling
A62 - LIFE-SAVING FIRE-FIGHTING
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Patent Grant
Fire extinguishing system for cookstove and ranges
Patent number
4,773,485
Issue date
Sep 27, 1988
Twenty First Century International Fire Equipment and Services, Corporation
Robert R. Silverman
F24 - HEATING RANGES VENTILATING