JJ

Jack A. Ward, Jr.

UI US Dept of the Interior: 1 patents #1 of 20Top 5%
📍 Oakmont, PA: #8 of 24 inventorsTop 35%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #98,804 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4799799 Determining inert content in coal dust/rock dust mixture Michael J. Sapko 1989-01-24