KEYSTONE INVESTMENT COMPANY, LLC

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LAKE PLACID, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Carburization of metal articles
- Patent number 8,871,036
- Issue date Oct 28, 2014
- Keystone Investment Corporation
- Peter G. Imbrogno
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of strengthening metal parts through ausizing
- Patent number 8,444,781
- Issue date May 21, 2013
- Keystone Investment Corporation
- Gary L. Anderson
- C21 - METALLURGY OF IRON
Information Patent Grant
High density dual helical gear
- Patent number 7,854,995
- Issue date Dec 21, 2010
- Keystone Investment Corporation
- Gary L. Anderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Carburization of metal articles
- Patent number 7,794,551
- Issue date Sep 14, 2010
- Keystone Investment Corporation
- Peter G. Imbrogno
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for manufacturing hardened powder metal parts
- Patent number 7,455,711
- Issue date Nov 25, 2008
- Keystone Investment Corporation
- John C. Kosco
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Powder metal materials and parts and methods of making the same
- Patent number 7,416,696
- Issue date Aug 26, 2008
- Keystone Investment Corporation
- John C. Kosco
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High density dual helical gear and method for manufacture thereof
- Patent number 7,364,803
- Issue date Apr 29, 2008
- Keystone Investment Corporation
- Gary L. Anderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Powder metal materials including glass
- Patent number 6,833,018
- Issue date Dec 21, 2004
- Keystone Investment Corporation
- John C. Kosco
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Powder metal materials having high temperature wear and corrosion r...
- Patent number 6,793,705
- Issue date Sep 21, 2004
- Keystone Investment Corporation
- John C. Kosco
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing powder metal gears
- Patent number 6,630,101
- Issue date Oct 7, 2003
- Keystone Investment Corporation
- Gary L. Anderson
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for forming powder metal gears
- Patent number 6,592,809
- Issue date Jul 15, 2003
- Keystone Investment Corporation
- Gary L. Anderson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing powder metal materials
- Patent number 6,485,540
- Issue date Nov 26, 2002
- Keystone Investment Corporation
- John C. Kosco
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of fabricating camshafts
- Patent number 6,473,964
- Issue date Nov 5, 2002
- Keystone Investment Corporation
- Gary L. Anderson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing powder metal materials
- Patent number 6,338,747
- Issue date Jan 15, 2002
- Keystone Investment Corporation
- John C. Kosco
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High density ferrous power metal alloy
- Patent number 5,613,180
- Issue date Mar 18, 1997
- Keystone Investment Corporation
- John C. Kosco
- B22 - CASTING POWDER METALLURGY

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Trademarklast 30 trademarks

Information Trademark
87459316 - GREEN PLANET
- Serial number 87459316
- Registration number 5431468
- Filing date May 22, 2017
- KEYSTONE INVESTMENT COMPANY, LLC
- 32 - Beers
Information Trademark
74725918 - KEYSTONE TRUST
- Serial number 74725918
- Filing date Sep 7, 1995
- Keystone Investments, Inc.
- 36 - Insurance
Information Trademark
74725997 - KARL
- Serial number 74725997
- Registration number 2039508
- Filing date Sep 7, 1995
- Keystone Investments, Inc.
- 36 - Insurance
Information Trademark
74726084 - KEYSTONE INVESTMENT MANAGEMENT
- Serial number 74726084
- Filing date Sep 7, 1995
- Keystone Investments, Inc.
- 36 - Insurance
Information Trademark
74726085 - KEYSTONE INVESTMENT DISTRIBUTORS
- Serial number 74726085
- Filing date Sep 7, 1995
- Keystone Investments, Inc.
- 36 - Insurance
Information Trademark
74726075 - KEYSTONE INSTITUTIONAL
- Serial number 74726075
- Filing date Sep 7, 1995
- Keystone Investments, Inc.
- 36 - Insurance
Information Trademark
74725919 - KEYSTONE MUTUAL FUNDS
- Serial number 74725919
- Filing date Sep 7, 1995
- Keystone Investments, Inc.
- 36 - Insurance
Information Trademark
74726083 - KEYSTONE AMERICA FUNDS
- Serial number 74726083
- Filing date Sep 7, 1995
- Keystone Investments, Inc.
- 36 - Insurance
Information Trademark
74726248 - KEYSTONE INVESTOR RESOURCE CENTER
- Serial number 74726248
- Filing date Sep 7, 1995
- Keystone Investments, Inc.
- 36 - Insurance
Information Trademark
74654645 - KEYSTONE INVESTMENTS
- Serial number 74654645
- Registration number 2034856
- Filing date Mar 31, 1995
- Keystone Group, Inc.
- 36 - Insurance
Information Trademark
74654641
- Serial number 74654641
- Registration number 2029576
- Filing date Mar 31, 1995
- Keystone Group, Inc.
- 36 - Insurance
Information Trademark
74654640 - KEYSTONE
- Serial number 74654640
- Registration number 2026382
- Filing date Mar 31, 1995
- Keystone Group, Inc.
- 36 - Insurance
Information Trademark
74654643 - KEYSTONE INVESTMENTS
- Serial number 74654643
- Registration number 2029577
- Filing date Mar 31, 1995
- Keystone Group, Inc.
- 36 - Insurance
Information Trademark
74654644 - KEYSTONE
- Serial number 74654644
- Registration number 2039722
- Filing date Mar 31, 1995
- Keystone Group, Inc.
- 36 - Insurance

KEYSTONE INVESTMENT COMPANY, LLC

Organization

Patents Grantslast 30 patents

Carburization of metal articles

Method of strengthening metal parts through ausizing

High density dual helical gear

Carburization of metal articles

Process for manufacturing hardened powder metal parts

Powder metal materials and parts and methods of making the same

High density dual helical gear and method for manufacture thereof

Powder metal materials including glass

Powder metal materials having high temperature wear and corrosion r...

Method for producing powder metal gears

Method for forming powder metal gears

Method for producing powder metal materials

Method of fabricating camshafts

Method for producing powder metal materials

High density ferrous power metal alloy

Trademarklast 30 trademarks

87459316 - GREEN PLANET

74725918 - KEYSTONE TRUST

74725997 - KARL

74726084 - KEYSTONE INVESTMENT MANAGEMENT

74726085 - KEYSTONE INVESTMENT DISTRIBUTORS

74726075 - KEYSTONE INSTITUTIONAL

74725919 - KEYSTONE MUTUAL FUNDS

74726083 - KEYSTONE AMERICA FUNDS

74726248 - KEYSTONE INVESTOR RESOURCE CENTER

74654645 - KEYSTONE INVESTMENTS

74654641

74654640 - KEYSTONE

74654643 - KEYSTONE INVESTMENTS

74654644 - KEYSTONE