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John C. Schumacher
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Carlsbad, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Device for preventing accidental releases of hazardous gases
Patent number
5,126,117
Issue date
Jun 30, 1992
Custom Engineered Materials, Inc.
John C. Schumacher
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Removal and destruction of volatile organic compounds from gas streams
Patent number
4,966,611
Issue date
Oct 30, 1990
Custom Engineered Materials Inc.
John C. Schumacher
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Ultra-pure epitaxial silicon
Patent number
4,891,201
Issue date
Jan 2, 1990
Diamond Cubic Liquidation Trust
John C. Schumacher
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
Exhaust conditioning system for semiconductor reactor
Publication number
20050161158
Publication date
Jul 28, 2005
John C. Schumacher
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...