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Otto R. Butsch
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Placentia, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Toilet overflow prevention device
Patent number
7,356,856
Issue date
Apr 15, 2008
Limit, Inc.
Otto R. Butsch
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Toilet overflow prevention device
Patent number
6,961,966
Issue date
Nov 8, 2005
Limit, Inc.
Otto R. Butsch
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
Toilet overflow prevention device
Publication number
20050132483
Publication date
Jun 23, 2005
Otto R. Butsch
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Toilet overflow prevention device
Publication number
20050132482
Publication date
Jun 23, 2005
Otto R. Butsch
E03 - WATER SUPPLY SEWERAGE