John D. Mackay

IBM: 1 patents #253 of 1,444Top 20%

📍 McMurray, PA: #5 of 14 inventorsTop 40%

🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%

Overall (1989): #94,229 of 140,708Top 70%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4868506	Defect detection using intermodulation signals	Thomas H. DiStefano, Arthur E. Falls, Arnold Halperin	1989-09-19