DR

David A. Roberts

Air Products And Chemicals: 3 patents #20 of 208Top 10%
📍 Allentown, PA: #3 of 94 inventorsTop 4%
🗺 Pennsylvania: #176 of 4,234 inventorsTop 5%
Overall (1994): #14,009 of 165,921Top 9%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5322712 Process for improved quality of CVD copper films John Anthony Thomas Norman, Arthur Kenneth Hochberg 1994-06-21
5298075 Furnace tube cleaning process Andre Lagendijk, Arthur Kenneth Hochberg 1994-03-29
5288662 Low ozone depleting organic chlorides for use during silicon oxidation and furnace tube cleaning Andre Lagendijk, Arthur Kenneth Hochberg 1994-02-22