Leonard C. Stevens JR.

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Poughquag, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for wafer cleaning
- Patent number 6,648,979
- Issue date Nov 18, 2003
- International Business Machines Corporation
- Michael F. Lofaro
- B08 - CLEANING
Information Patent Grant
Method and apparatus for monitoring polishing pad wear during proce...
- Patent number 6,186,864
- Issue date Feb 13, 2001
- International Business Machines Corporation
- Thomas R. Fisher
- B24 - GRINDING POLISHING
Information Patent Grant
Pad and roller assembly for cleaning semiconductor wafers
- Patent number 6,125,496
- Issue date Oct 3, 2000
- International Business Machines Corporation
- Leonard Corbett Stevens
- B08 - CLEANING
Information Patent Grant
Acoustically agitated delivery
- Patent number 6,106,374
- Issue date Aug 22, 2000
- International Business Machines Corporation
- Karl E. Boggs
- B24 - GRINDING POLISHING
Information Patent Grant
Method and apparatus of monitoring polishing pad wear during proces...
- Patent number 6,045,434
- Issue date Apr 4, 2000
- International Business Machines Corporation
- Thomas R. Fisher
- B24 - GRINDING POLISHING
Information Patent Grant
Pad and roller assembly for cleaning semiconductor wafers
- Patent number 5,813,082
- Issue date Sep 29, 1998
- International Business Machines Corporation
- Leonard C. Stevens
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for wafer cleaning
- Publication number 20020096191
- Publication date Jul 25, 2002
- International Business Machines Corporation
- Michael F. Lofaro
- H01 - BASIC ELECTRIC ELEMENTS