Pieter A. VanderWerf

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Stoughton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
System for the construction of insulated concrete structures using...
- Patent number 6,698,710
- Issue date Mar 2, 2004
- Portland Cement Association
- Pieter A. VanderWerf
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Mortarless concrete block
- Patent number 6,189,282
- Issue date Feb 20, 2001
- Building Works, Inc.
- Pieter A. VanderWerf
- E04 - BUILDING
Information Patent Grant
Termite shield for permeable sheathing
- Patent number 5,918,427
- Issue date Jul 6, 1999
- Pieter A. VanderWerf
- E04 - BUILDING