David E. Speed

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Newtown, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous quaternary ammonium hydroxide as a screening mask cleaner
- Patent number 6,351,871
- Issue date Mar 5, 2002
- International Business Machines Corporation
- Krishna G. Sachdev
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Aqueous quaternary ammonium hydroxide as a screening mask cleaner
- Patent number 6,280,527
- Issue date Aug 28, 2001
- International Business Machines Corporation
- Krishna G. Sachdev
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
System for cleaning residual paste from a mask
- Patent number 6,032,683
- Issue date Mar 7, 2000
- International Business Machines Corporation
- Jon A. Casey
- B08 - CLEANING
Information Patent Grant
Optimized in-line mask cleaning system
- Patent number 5,916,374
- Issue date Jun 29, 1999
- International Business Machines Corporation
- Jon A. Casey
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Chemical Bath Replenishment
- Publication number 20130095649
- Publication date Apr 18, 2013
- International Business Machines Corporation
- Tien-Jen Cheng
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Mitigating Environment, Health, and Safety Complications
- Publication number 20130041894
- Publication date Feb 14, 2013
- International Business Machines Corporation
- Kathleen A. DiZio
- G06 - COMPUTING CALCULATING COUNTING