Rao R. Tummala

Person

Hopewell Junction, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Toughened glass ceramic substrates for semiconductor devices subjec...
- Patent number 5,304,517
- Issue date Apr 19, 1994
- International Business Machines Corporation
- Jon A. Casey
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Ceramic substrate having a protective coating thereon and a method...
- Patent number 5,196,251
- Issue date Mar 23, 1993
- International Business Machines Corporation
- Nanik Bakhru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Material and process set for fabrication of molecular matrix print...
- Patent number 4,504,340
- Issue date Mar 12, 1985
- International Business Machines Corporation
- Rao R. Tummala
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Glass-ceramic structures and sintered multilayer substrates thereof...
- Patent number 4,413,061
- Issue date Nov 1, 1983
- International Business Machines Corporation
- Ananda H. Kumar
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass-ceramic structures and sintered multilayer substrates thereof...
- Patent number 4,301,324
- Issue date Nov 17, 1981
- International Business Machines Corporation
- Ananda H. Kumar
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of making multilayered glass-ceramic structures having an in...
- Patent number 4,234,367
- Issue date Nov 18, 1980
- International Business Machines Corporation
- Lester W. Herron
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Seal glass for nozzle assemblies of an ink jet printer
- Patent number 4,224,627
- Issue date Sep 23, 1980
- International Business Machines Corporation
- Jimmie L. Powell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multilayered glass-ceramic substrate for mounting of semiconductor...
- Patent number 4,221,047
- Issue date Sep 9, 1980
- International Business Machines Corporation
- Bernt Narken
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ink jet nozzle structures
- Patent number 4,122,460
- Issue date Oct 24, 1978
- International Business Machines Corporation
- James N. Humenik
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for preparing a copper containing sealing glass
- Patent number 3,982,918
- Issue date Sep 28, 1976
- International Business Machines Corporation
- Rudolf G. Frieser
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for increasing the strength of sealing glass
- Patent number 3,975,175
- Issue date Aug 17, 1976
- International Business Machines Corporation
- Betty Jane Foster
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Sealing glass composition and process
- Patent number 3,966,449
- Issue date Jun 29, 1976
- International Business Machines Corporation
- Betty Jane Foster
- C03 - GLASS MINERAL OR SLAG WOOL

Rao R. Tummala

Person

Patents Grantslast 30 patents

Toughened glass ceramic substrates for semiconductor devices subjec...

Ceramic substrate having a protective coating thereon and a method...

Material and process set for fabrication of molecular matrix print...

Glass-ceramic structures and sintered multilayer substrates thereof...

Glass-ceramic structures and sintered multilayer substrates thereof...

Method of making multilayered glass-ceramic structures having an in...

Seal glass for nozzle assemblies of an ink jet printer

Multilayered glass-ceramic substrate for mounting of semiconductor...

Ink jet nozzle structures

Process for preparing a copper containing sealing glass

Process for increasing the strength of sealing glass

Sealing glass composition and process