Murty S. Polavarapu

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Manassas, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Selective and anisotropic dry etching
- Patent number 4,734,157
- Issue date Mar 29, 1988
- International Business Machines Corporation
- Susanna R. Carbaugh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process using dry etchant to avoid mask-and-etch cycle
- Patent number 4,624,739
- Issue date Nov 25, 1986
- International Business Machines Corporation
- Paul E. Nixon
- C03 - GLASS MINERAL OR SLAG WOOL