DC

David Yu Chang

Caterpillar: 2 patents #26 of 303Top 9%
IBM: 2 patents #982 of 5,464Top 20%
📍 Edwards, IL: #1 of 1 inventorsTop 100%
🗺 Illinois: #175 of 5,663 inventorsTop 4%
Overall (2004): #16,347 of 270,089Top 7%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6769385 System for controlling engine valve seating velocity 2004-08-03
6708656 Engine valve actuator 2004-03-23
6704765 System for allocating resources among agent processes George P. Copeland, Ambuj Goyal, Marc Gregory Smith 2004-03-09
6687831 Method and apparatus for multiple security service enablement in a data processing system Virgil A. Albaugh, Messaoud Benantar, John Buslawski, Robert Howard High, Jr. 2004-02-03