Edward D. Duke

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical chain adjuster for scraper elevator chains
- Patent number 4,128,952
- Issue date Dec 12, 1978
- International Harvester Company
- Edward D. Duke
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Ground driven hydraulic emergency steering system
- Patent number 4,015,681
- Issue date Apr 5, 1977
- International Harvester Company
- Daniel B. Shore
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS