Robert J. Deffeyes

Person

Arlington, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Stainless steel silver compositions
- Patent number 4,937,041
- Issue date Jun 26, 1990
- Carlisle Memory Products Group Incorporated
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Forming terminations of MLC capacitors
- Patent number 4,605,835
- Issue date Aug 12, 1986
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for forming novel silver powder composition
- Patent number 4,463,030
- Issue date Jul 31, 1984
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of forming a conductive metal pattern
- Patent number 4,333,966
- Issue date Jun 8, 1982
- Graham Magnetics, Inc.
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metal powder paint composition
- Patent number 4,289,534
- Issue date Sep 15, 1981
- Graham Magnetics, Inc.
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Polymodal magnetic recording media and compositions useful therein
- Patent number 4,281,043
- Issue date Jul 28, 1981
- Graham Magnetics, Inc.
- Robert J. Deffeyes
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of producing acicular metal crystals
- Patent number 4,268,302
- Issue date May 19, 1981
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Low-viscosity, high-silver, paint
- Patent number 4,251,275
- Issue date Feb 17, 1981
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Polymodal magnetic recording media process for making and verifying...
- Patent number 4,237,189
- Issue date Dec 2, 1980
- Deffeyes; Robert J.
- Robert J. Deffeyes
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coated particles and process of preparing same
- Patent number 4,218,507
- Issue date Aug 19, 1980
- Graham Magnetics, Inc.
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Novel silver powder composition
- Patent number 4,186,244
- Issue date Jan 29, 1980
- Graham Magnetics Inc.
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing acicular metal crystal
- Patent number 4,170,602
- Issue date Oct 9, 1979
- Graham Magnetics, Inc.
- Robert J. Deffeyes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Capacitors and process for making same
- Patent number 4,160,284
- Issue date Jul 3, 1979
- Graham Magnetics, Inc.
- Robert J. Deffeyes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Porous powders and a method for their preparation
- Patent number 4,146,504
- Issue date Mar 27, 1979
- Graham Magnetics Inc.
- Robert J. Deffeyes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Powder products
- Patent number 4,137,361
- Issue date Jan 30, 1979
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Powder products
- Patent number 4,092,459
- Issue date May 30, 1978
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Novel metal powders and magnetic tapes produced therewith
- Patent number 4,061,824
- Issue date Dec 6, 1977
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Iron-nickel-cobalt magnetic powder and tape prepared therefrom
- Patent number 4,054,530
- Issue date Oct 18, 1977
- Graham Magnetics, Inc.
- Robert J. Deffeyes
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Package having dessicant composition
- Patent number 4,036,360
- Issue date Jul 19, 1977
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Magnetic tape
- Patent number 4,020,227
- Issue date Apr 26, 1977
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- G11 - INFORMATION STORAGE
Information Patent Grant
Acicular metallic powders produced from the organometallic salts
- Patent number 4,004,917
- Issue date Jan 25, 1977
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of making metal powders and products produced thereby
- Patent number 3,965,046
- Issue date Jun 22, 1976
- Graham Magnetics Incorporated
- Robert J. Deffeyes
- B22 - CASTING POWDER METALLURGY

Robert J. Deffeyes

Person

Patents Grantslast 30 patents

Stainless steel silver compositions

Forming terminations of MLC capacitors

Process for forming novel silver powder composition

Method of forming a conductive metal pattern

Metal powder paint composition

Polymodal magnetic recording media and compositions useful therein

Method of producing acicular metal crystals

Low-viscosity, high-silver, paint

Polymodal magnetic recording media process for making and verifying...

Coated particles and process of preparing same

Novel silver powder composition

Method of producing acicular metal crystal

Capacitors and process for making same

Porous powders and a method for their preparation

Powder products

Powder products

Novel metal powders and magnetic tapes produced therewith

Iron-nickel-cobalt magnetic powder and tape prepared therefrom

Package having dessicant composition

Magnetic tape

Acicular metallic powders produced from the organometallic salts

Process of making metal powders and products produced thereby