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Ronald L. Downard
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Elkton, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Wire injector apparatus
Patent number
7,584,876
Issue date
Sep 8, 2009
ESM Group Inc.
Joseph R. Waitlevertch
C21 - METALLURGY OF IRON
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Patent Grant
Apparatus for desulfurization of iron utilizing two spaced apart la...
Patent number
6,010,658
Issue date
Jan 4, 2000
ESM III
Michael S. Ross
C21 - METALLURGY OF IRON
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Patent Grant
Orifice valve assembly
Patent number
5,108,075
Issue date
Apr 28, 1992
ESM II Inc.
Ronald L. Downard
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
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Patent Application
Wire injector apparatus
Publication number
20080041909
Publication date
Feb 21, 2008
Joseph R. Waitlevertch
C21 - METALLURGY OF IRON