Michael Alexander Ballantyne

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Westbank, CA

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Patents Grantslast 30 patents

Information Patent Grant
Insulated metal cladding for wood door frame
- Patent number 6,568,137
- Issue date May 27, 2003
- Michael Alexander Ballantyne
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Insulated metal cladding for wood door frame
- Publication number 20020083663
- Publication date Jul 4, 2002
- Michael Alexander Ballantyne
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS