Jerry J. Burckhartzmeyer

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Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure responsive hydraulic control circuit
- Patent number 4,757,685
- Issue date Jul 19, 1988
- Caterpillar Inc.
- Jerry J. Burckhartzmeyer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING