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Quality Air Systems, Inc.
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Albuquerque, NM, US
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Patents Grants
last 30 patents
Information
Patent Grant
Modular wall apparatus and method for its use
Patent number
5,322,473
Issue date
Jun 21, 1994
Quality Air Systems, Inc.
Joseph S. Hofstra
B08 - CLEANING
Information
Patent Grant
Smoker's booth
Patent number
5,181,883
Issue date
Jan 26, 1993
Quality Air Systems, Inc.
Joseph S. Hofstra
B08 - CLEANING
Patents Applications
last 30 patents
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