Ernest W. Cummings

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Concord, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic drain trap
- Patent number 4,444,217
- Issue date Apr 24, 1984
- Drain-All, Inc.
- Ernest W. Cummings
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for effecting ground penetration of a ground engaging member
- Patent number 3,948,329
- Issue date Apr 6, 1976
- Ernest W. Cummings
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING