David E. Godfrey

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Burnt Hills, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Coal seam sensor
- Patent number 4,143,552
- Issue date Mar 13, 1979
- General Electric Company
- David E. Godfrey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of testing the integrity of installed rock bolts
- Patent number 4,062,229
- Issue date Dec 13, 1977
- General Electric Company
- David E. Godfrey
- G01 - MEASURING TESTING