Dale L. Henegar

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Bismarck, ND, US

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Patents Grantslast 30 patents

Information Patent Grant
Floating aerator having means to vary the length of the draft pipe
- Patent number 4,030,859
- Issue date Jun 21, 1977
- Lake Aid Inc.
- Dale L. Henegar
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING