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Patent Assignment Details

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Reel/Frame:	007644/0264			Pages:	14
		Recorded:	10/03/1995
Conveyance:	COLLATERAL ASSIGNMENT AND SECURITY AGREEMENT

Total properties: 34

Patent #:	3991655	Issue Dt:		Application #:	05522823	Filing Dt:
Title:

Patent #:	3969987	Issue Dt:		Application #:	05522824	Filing Dt:
Title:

Patent #:	4005637	Issue Dt:		Application #:	05522977	Filing Dt:
Title:

Patent #:	3969984	Issue Dt:		Application #:	05522978	Filing Dt:
Title:

Patent #:	4013319	Issue Dt:		Application #:	05560271	Filing Dt:
Title:

Patent #:	3980144	Issue Dt:		Application #:	05603207	Filing Dt:
Title:

Patent #:	4077304	Issue Dt:		Application #:	05666733	Filing Dt:
Title:

Patent #:	4128135	Issue Dt:		Application #:	05815347	Filing Dt:
Title:

Patent #:	RE30109	Issue Dt:		Application #:	05822112	Filing Dt:
Title:

Patent #:	4143585	Issue Dt:		Application #:	05822113	Filing Dt:
Title:

Patent #:	4246973	Issue Dt:	01/27/1981	Application #:	05871289	Filing Dt:	01/23/1978
Title:	CONTROLS FOR HYDRAULIC PERCUSSION DRILL

Patent #:	4194419	Issue Dt:		Application #:	05933324	Filing Dt:
Title:

Patent #:	4290491	Issue Dt:	09/22/1981	Application #:	05938613	Filing Dt:	08/31/1978
Title:	ROCK DRILL POSITIONING MECHANISM

Patent #:	4484637	Issue Dt:	11/27/1984	Application #:	06004957	Filing Dt:	01/19/1979
Title:	POSITIONING CONTROL SYSTEM FOR ROCK DRILL SUPPORT APPARATUS

Patent #:	4243110	Issue Dt:	01/06/1981	Application #:	06010438	Filing Dt:	02/08/1979
Title:	PNEUMATIC PERCUSSION DRILL WITH EXHAUST COOLING AND LUBRICATION OF CHUCK END

Patent #:	4267892	Issue Dt:	05/19/1981	Application #:	06034211	Filing Dt:	04/30/1979
Title:	POSITIONING CONTROL SYSTEM FOR ROCK DRILL SUPPORT APPARATUS

Patent #:	4448262	Issue Dt:	05/15/1984	Application #:	06379772	Filing Dt:	05/19/1982
Title:	PNEUMATIC HAMMER

Patent #:	5067262	Issue Dt:	11/26/1991	Application #:	07562343	Filing Dt:	08/03/1990
Title:	DIGGING TOOTH

Patent #:	5143163	Issue Dt:	09/01/1992	Application #:	07751914	Filing Dt:	08/29/1991
Title:	DIGGING TOOTH

Patent #:	5398772	Issue Dt:	03/21/1995	Application #:	08086525	Filing Dt:	07/01/1993
Title:	IMPACT HAMMER

Patent #:	5358058	Issue Dt:	10/25/1994	Application #:	08127262	Filing Dt:	09/27/1993
Title:	DRILL AUTOMATION CONTROL SYSTEM

Patent #:	5413186	Issue Dt:	05/09/1995	Application #:	08242195	Filing Dt:	05/13/1994
Title:	REVERSE PERCUSSION DEVICE

Patent #:	5465798	Issue Dt:	11/14/1995	Application #:	08328667	Filing Dt:	10/25/1994
Title:	DRILL AUTOMATION CONTROL SYSTEM

Patent #:	5537900	Issue Dt:	07/23/1996	Application #:	08392051	Filing Dt:	02/22/1995
Title:	TOGGLED BREAKOUT WRENCH

Patent #:	5634524	Issue Dt:	06/03/1997	Application #:	08436709	Filing Dt:	05/08/1995
Title:	REVERSE PERCUSSION DEVICE

Patent #:	5575344	Issue Dt:	11/19/1996	Application #:	08439858	Filing Dt:	05/12/1995
Title:	ROD CHANGING SYSTEM

Patent #:	5599107	Issue Dt:	02/04/1997	Application #:	08489968	Filing Dt:	06/13/1995
Title:	SELF-ALIGNING LINEAR BEARING

Patent #:	3948288	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3995700	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4016687	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4062411	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4069877	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4088289	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4100982	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

REEDRILL CORPORATION

Exec Dt:

09/08/1995

Assignee

BOATMEN'S NATIONAL BANK OF ST. LOUIS, THE, AS AGENT

ONE BOATMEN'S PLAZA

800 MARKET STREET

ST. LOUIS, MISSOURI 63101

Correspondence name and address
	MARK C. WININGS, ESQ.
	LEWIS, RICE & FINGERSH
	500 N. BROADWAY, SUITE 2000
	ST. LOUIS, MISSOURI 63102

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