DONALD L. BETZOLD

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MARSEILLES, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of repairing a manhole chimney using a stretchable sleeve
- Patent number 8,721,216
- Issue date May 13, 2014
- LMK Enterprises, Inc.
- Larry W. Kiest
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of repairing a manhole chimney using a stretchable sleeve
- Patent number 7,670,086
- Issue date Mar 2, 2010
- LMK Enterprises, Inc.
- Larry W. Kiest, Jr.
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF REPAIRING A MANHOLE CHIMNEY USING A STRETCHABLE SLEEVE
- Publication number 20140202570
- Publication date Jul 24, 2014
- Larry W. Kiest
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
METHOD OF REPAIRING A MANHOLE CHIMNEY USING A STRETCHABLE SLEEVE
- Publication number 20100018631
- Publication date Jan 28, 2010
- LMK ENTERPRISES, INC.
- LARRY W. KIEST, JR.
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Method of repairing a manhole chimney using a stretchable sleeve
- Publication number 20070113519
- Publication date May 24, 2007
- LMK ENTERPRISES, INC.
- Larry W. Kiest
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING