DW

David M. Welsh

OP Orica Explosives Technology Pty: 1 patents #1 of 5Top 20%
📍 Lachute, CA: #2 of 3 inventorsTop 70%
Overall (2002): #231,463 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
RE37689 Low energy fuse and method of manufacture Ronald F. Stewart, David J. Welburn, Robert C. Greenhorn 2002-05-07