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Walter A. Beauchamp
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Sammamish, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods and apparatuses for selective chemical etching
Patent number
10,533,134
Issue date
Jan 14, 2020
The Boeing Company
David S. Nansen
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Methods and apparatuses for selective chemical etching
Patent number
9,624,430
Issue date
Apr 18, 2017
The Boeing Company
David S. Nansen
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Methods and Apparatuses for Selective Chemical Etching
Publication number
20170174987
Publication date
Jun 22, 2017
The Boeing Company
David S. Nansen
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Application
Methods and Apparatuses for Selective Chemical Etching
Publication number
20160333269
Publication date
Nov 17, 2016
THE BOENG COMPANY
David S. Nansen
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Resin formulation
Publication number
20050133956
Publication date
Jun 23, 2005
Walter A. Beauchamp
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL