Douglas W. Cooper

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Millwood, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Surface cleaning using an argon or nitrogen aerosol
- Patent number 5,294,261
- Issue date Mar 15, 1994
- Air Products and Chemicals, Inc.
- Wayne T. McDermott
- B08 - CLEANING
Information Patent Grant
Apparatus and a method for high numerical aperture microscopic exam...
- Patent number 5,208,648
- Issue date May 4, 1993
- International Business Machines Corporation
- John S. Batchelder
- G02 - OPTICS
Information Patent Grant
Thermophoretic filtering of liquids
- Patent number 5,158,690
- Issue date Oct 27, 1992
- International Business Machines Corporation
- John S. Batchelder
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Surface cleaning using a cryogenic aerosol
- Patent number 5,062,898
- Issue date Nov 5, 1991
- Air Products and Chemicals, Inc.
- Wayne T. McDermott
- B08 - CLEANING
Information Patent Grant
Electrostatic removal of contaminants
- Patent number 4,744,833
- Issue date May 17, 1988
- International Business Machines Corporation
- Douglas W. Cooper
- B08 - CLEANING