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Patent Assignment Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	009534/0071			Pages:	9
		Recorded:	10/19/1998
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 16

Patent #:	4189013	Issue Dt:		Application #:	05907095	Filing Dt:
Title:

Patent #:	4446936	Issue Dt:	05/08/1984	Application #:	06346968	Filing Dt:	02/08/1982
Title:	MINING DRILL

Patent #:	4427082	Issue Dt:	01/24/1984	Application #:	06346970	Filing Dt:	02/08/1982
Title:	MINING DRILL

Patent #:	4433739	Issue Dt:	02/28/1984	Application #:	06346971	Filing Dt:	02/08/1982
Title:	MINING DRILL

Patent #:	4398611	Issue Dt:	08/16/1983	Application #:	06346972	Filing Dt:	02/08/1982
Title:	MINING DRILL

Patent #:	4489796	Issue Dt:	12/25/1984	Application #:	06497960	Filing Dt:	05/25/1983
Title:	INSERT FOR A MINE TOOL ROOF BIT AND A METHOD OF DRILLING THEREWITH

Patent #:	4836614	Issue Dt:	06/06/1989	Application #:	06800589	Filing Dt:	11/21/1985
Title:	RETAINER SCHEME FOR MACHINE BIT

Patent #:	4696352	Issue Dt:	09/29/1987	Application #:	06840309	Filing Dt:	03/17/1986
Title:	INSERT FOR A DRILLING TOOL BIT AND A METHOD OF DRILLING THEREWITH

Patent #:	4728153	Issue Dt:	03/01/1988	Application #:	06944785	Filing Dt:	12/22/1986
Title:	CYLINDRICAL RETAINER FOR A CUTTING BIT

Patent #:	4787464	Issue Dt:	11/29/1988	Application #:	07120294	Filing Dt:	11/13/1987
Title:	VARIABLE RAKE MINE TOOL INSERT AND METHOD OF USE

Patent #:	5311959	Issue Dt:	05/17/1994	Application #:	07868066	Filing Dt:	04/13/1992
Title:	MINE TOOL ROOF BIT INSERT

Patent #:	5273343	Issue Dt:	12/28/1993	Application #:	07976603	Filing Dt:	11/16/1992
Title:	NON-ROTATABLE SLEEVE FOR A CUTTING TOOL BIT HOLDER AND METHOD OF MAKING THE SAME

Patent #:	5303984	Issue Dt:	04/19/1994	Application #:	08007692	Filing Dt:	01/22/1993
Title:	CUTTING BIT HOLDER SLEEVE WITH RETAINING FLANGE

Patent #:	5529384	Issue Dt:	06/25/1996	Application #:	08295572	Filing Dt:	08/25/1994
Title:	BIT HOLDER BLOCK AND CUTTER BIT THEREFOR

Patent #:	5503463	Issue Dt:	04/02/1996	Application #:	08362703	Filing Dt:	12/23/1994
Title:	RETAINER SCHEME FOR CUTTING TOOL

Patent #:	D387072	Issue Dt:	12/02/1997	Application #:	29058308	Filing Dt:	07/25/1996
Title:	THREE FINNED POINT ATTACK MINING BIT

Assignor

Exec Dt:

10/05/1998

Assignee

1600 TECHNOLOGY WAY

LATROBE, PENNSYLVANIA 15650

Correspondence name and address
	DICKSTEIN SHAPIRO MORIN & OSHINSKY LLP
	WILLIAM E. POWELL, III
	2101 L STREET, N.W.
	WASHINGTON, DC 20037

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