Henry J. Jessen

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Wilmington, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Pilot pump bleed control for earthmoving scrapers
- Patent number 3,935,792
- Issue date Feb 3, 1976
- Caterpillar Tractor Co.
- Joseph E. Dezelan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING