David J. McIntosh

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Ahwahnee, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Duct supporting apparatus
- Patent number 8,235,331
- Issue date Aug 7, 2012
- David J. McIntosh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Duct Supporting Apparatus
- Publication number 20090078832
- Publication date Mar 26, 2009
- David J. McIntosh
- F24 - HEATING RANGES VENTILATING