Earl L. West

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Lakeville, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Insulating system for building blocks
- Patent number 4,833,852
- Issue date May 30, 1989
- Earl L. West
- E04 - BUILDING
Information Patent Grant
Insulated building block wall construction
- Patent number 4,269,013
- Issue date May 26, 1981
- Earl L. West
- E04 - BUILDING