Inventor

DOWNARD RONALD L

US3 patents

⚠️ This page may combine multiple inventors who share the name “DOWNARD RONALD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ESM II INC

1 patent

US5108075AApr 28, 1992

Orifice valve assembly

ESM II INC44 citations83

ESM III

1 patent

US6010658AJan 4, 2000

Apparatus for desulfurization of iron utilizing two spaced apart lances

ESM III7 citations63

ESM GROUP INC

1 patent

US7584876B2Sep 8, 2009

Wire injector apparatus

ESM GROUP INC0 citations39