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Christopher Ceccarelli
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Whitehall, PA, US
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last 30 patents
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Patent Grant
High hardness fine grained beta tungsten carbide
Patent number
5,277,987
Issue date
Jan 11, 1994
Air Products and Chemicals, Inc.
Diwakar Garg
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High hardness fine grained tungsten-carbon alloys
Patent number
4,910,091
Issue date
Mar 20, 1990
Air Products and Chemicals, Inc.
Diwaker Garg
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for depositing a hard, fine-grained, non-columnar alloy of t...
Patent number
4,874,642
Issue date
Oct 17, 1989
Air Products and Chemicals, Inc.
Diwaker Garg
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...