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Charles B. Willingham
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Framingham, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Treatment method for optically transmissive bodies
Patent number
7,790,072
Issue date
Sep 7, 2010
Raytheon Company
Ralph Korenstein
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of strengthening an optical body by diffusion of material to...
Patent number
5,281,465
Issue date
Jan 25, 1994
Raytheon Company
Joseph M. Wahl
G02 - OPTICS
Information
Patent Grant
Polycrystalline zinc sulfide and zinc selenide articles having impr...
Patent number
5,126,081
Issue date
Jun 30, 1992
Raytheon Company
Charles B. Willingham
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polycrystalline zinc sulfide and zinc selenide articles having impr...
Patent number
4,944,900
Issue date
Jul 31, 1990
Raytheon Company
Charles B. Willingham
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
TREATMENT METHOD FOR OPTICALLY TRANSMISSIVE BODIES
Publication number
20090155162
Publication date
Jun 18, 2009
Ralph Korenstein
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...