BUTLER ENGINEERING LLC

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Springfield, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Performance and isolation improvements for digitally controlled AC...
- Patent number 9,178,352
- Issue date Nov 3, 2015
- Butler Engineering LLC
- Joel Butler
- G05 - CONTROLLING REGULATING
Information Patent Grant
Performance and isolation improvements for digitally controlled AC...
- Patent number 8,873,211
- Issue date Oct 28, 2014
- Butler Engineering LLC
- Joel Butler
- G05 - CONTROLLING REGULATING

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Patents Applicationslast 30 patents

Information Patent Application
Performance and Isolation Improvements for Digitally Controlled AC...
- Publication number 20150035363
- Publication date Feb 5, 2015
- BUTLER ENGINEERING LLC
- Joel Butler
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

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Trademarklast 30 trademarks

Information Trademark
72431401 - VENT-A-MATIC
- Serial number 72431401
- Registration number 1024373
- Filing date Aug 1, 1972
- BUTLER ENGINEERING COMPANY
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes