DJ

David L. Mitchell, Jr.

Air Products And Chemicals: 3 patents #20 of 208Top 10%
📍 Coopersburg, PA: #3 of 12 inventorsTop 25%
🗺 Pennsylvania: #176 of 4,234 inventorsTop 5%
Overall (1994): #14,046 of 165,921Top 9%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5352523 Graphite/carbon articles for elevated temperature service and method of manufacture Zbigniew Zurecki, Edward A. Hayduk, Jr., John G. North, Robert B. Swan 1994-10-04
5348592 Method of producing nitrogen-hydrogen atmospheres for metals processing Diwakar Garg, Brian B. Bonner, Paul T. Kilhefner, III, Paul Anthony Mattiola 1994-09-20
5304417 Graphite/carbon articles for elevated temperature service and method of manufacture Zbigniew Zurecki, Edward A. Hayduk, Jr., John G. North, Robert B. Swan 1994-04-19