Robert Bast

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Brooten, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Wood-burning boiler
- Patent number 7,438,024
- Issue date Oct 21, 2008
- Robert Bast
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

Information Patent Application
Wood-burning boiler
- Publication number 20070089733
- Publication date Apr 26, 2007
- Robert Bast
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES