Dwarika P. Agarwal

Person

Attleboro, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Gold alloy compositions formed by environmentally friendly process
- Patent number 8,419,867
- Issue date Apr 16, 2013
- Hallmark Sweet, Inc.
- Dwarika P. Agarwal
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Rose-colored gold alloy compositions with reversible hardness chara...
- Patent number 7,413,705
- Issue date Aug 19, 2008
- Leach & Garner Company
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sterling silver alloy compositions of exceptional and reversible ha...
- Patent number 7,198,683
- Issue date Apr 3, 2007
- Leach & Garner Company
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Nickel-free white gold alloy compositions with reversible hardness...
- Patent number 7,135,078
- Issue date Nov 14, 2006
- Leach & Garner Company
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
14-karat gold alloy compositions having enhanced yellow color, reve...
- Patent number 6,676,776
- Issue date Jan 13, 2004
- Leach & Garner Company
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
18-karat green gold alloy compositions
- Patent number 6,406,568
- Issue date Jun 18, 2002
- Leach & Garner Company
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Nickel-free white gold alloy with reversible hardness characteristics
- Patent number 5,919,320
- Issue date Jul 6, 1999
- Leach & Garner Company
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Bangle closing mechanism
- Patent number 5,598,722
- Issue date Feb 4, 1997
- Leach & Garner Company
- Edwin F. Leach
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Gold alloys of exceptional yellow color and reversible hardness
- Patent number 5,180,551
- Issue date Jan 19, 1993
- Leach & Garner Co.
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Intermetallic time-temperature integration fuse
- Patent number 5,139,883
- Issue date Aug 18, 1992
- Grigory Raykhtsaum
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Intermetallic time-temperature integration fuse
- Patent number 5,130,689
- Issue date Jul 14, 1992
- Leach & Garner Co.
- Grigory Raykhtsaum
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Palladium based powder-metal alloys and method for making same
- Patent number 5,000,779
- Issue date Mar 19, 1991
- Leach & Garner
- Randall M. German
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Silver alloys of exceptional and reversible hardness
- Patent number 4,869,757
- Issue date Sep 26, 1989
- Leach & Garner Company
- Thomas W. Eagar
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Silver alloys of exceptional and reversible hardness
- Patent number 4,810,308
- Issue date Mar 7, 1989
- Leach & Garner Company
- Thomas W. Eagar
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Gold alloy compositions formed by environmentally friendly process
- Publication number 20090191089
- Publication date Jul 30, 2009
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Rose-colored gold alloy compositions with reversible hardness chara...
- Publication number 20060251539
- Publication date Nov 9, 2006
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Sterling silver alloy compositions of exceptional and reversible ha...
- Publication number 20060045792
- Publication date Mar 2, 2006
- Dwarika P. Agarwal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Dwarika P. Agarwal

Person

Patents Grantslast 30 patents

Gold alloy compositions formed by environmentally friendly process

Rose-colored gold alloy compositions with reversible hardness chara...

Sterling silver alloy compositions of exceptional and reversible ha...

Nickel-free white gold alloy compositions with reversible hardness...

14-karat gold alloy compositions having enhanced yellow color, reve...

18-karat green gold alloy compositions

Nickel-free white gold alloy with reversible hardness characteristics

Bangle closing mechanism

Gold alloys of exceptional yellow color and reversible hardness

Intermetallic time-temperature integration fuse

Intermetallic time-temperature integration fuse

Palladium based powder-metal alloys and method for making same

Silver alloys of exceptional and reversible hardness

Silver alloys of exceptional and reversible hardness

Patents Applicationslast 30 patents

Gold alloy compositions formed by environmentally friendly process

Rose-colored gold alloy compositions with reversible hardness chara...

Sterling silver alloy compositions of exceptional and reversible ha...