Nils K. Melberg

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Green Bay, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Soil sampling tool with unique vent-and-seal features and related m...
- Patent number 5,937,953
- Issue date Aug 17, 1999
- En Novative Technologies, Inc.
- Nils K. Melberg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Soil sampling tool with volume-indicating feature
- Patent number 5,706,904
- Issue date Jan 13, 1998
- En Novative Technologies, Inc.
- David E. Turriff
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tool and method for soil sampling
- Patent number 5,522,271
- Issue date Jun 4, 1996
- En Chem, Inc.
- David E. Turriff
- G01 - MEASURING TESTING
Information Patent Grant
Tool for sampling soil containing volatile organic compound
- Patent number 5,343,771
- Issue date Sep 6, 1994
- En Chem, Inc.
- David E. Turriff
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING