William Kenneth House

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Forest Lake, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of sealing a manhole riser and a catch basin and apparatus f...
- Patent number 5,876,533
- Issue date Mar 2, 1999
- Infi-Shield, Inc.
- Jeffrey W. House
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Exterior lining for catch basin or manhole
- Patent number 5,800,648
- Issue date Sep 1, 1998
- Infi-Shield, Inc.
- Jeffrey W. House
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Sealing system for sewer and water applications
- Patent number 5,613,806
- Issue date Mar 25, 1997
- Infi-Shield, Inc.
- Jeffrey W. House
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for sealing a pipe juncture
- Patent number 5,531,485
- Issue date Jul 2, 1996
- Infi-Shield Inc.
- Jeffrey W. House
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of sealing a manhole riser and a catch basin and apparatus f...
- Patent number 5,511,897
- Issue date Apr 30, 1996
- Infi-Shield
- William P. House
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Drywall joint and system and process for making
- Publication number 20040221544
- Publication date Nov 11, 2004
- William Kenneth House
- E04 - BUILDING
Information Patent Application
Drywall joint and system and process for making
- Publication number 20040111994
- Publication date Jun 17, 2004
- William Kenneth House
- E04 - BUILDING
Information Patent Application
Drywall joint and system and process for making
- Publication number 20030208977
- Publication date Nov 13, 2003
- William Kenneth House
- E04 - BUILDING