DC

Darren Cooper

3M: 1 patents #266 of 952Top 30%
📍 North Vancouver, CA: #2 of 32 inventorsTop 7%
Overall (1994): #146,456 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5306686 Negative-acting thermographic materials Ranjan C. Patel, John H. A. Stibbard, Terence William Baldock, Donald J. Newman, John J. Stofko, Jr. 1994-04-26