Heavy wall drill pipe

The ornamental design for heavy wall drill pipe, as shown and described.

FIG. 1 is a side elevational view of the heavy wall drill pipe showing our new design, all sides being identical;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof.

Patent	Priority	Assignee	Title
D430171,	Dec 07 1998	ENVIRONMENTALLY SENSITIVE VEGETATION CONTROL, LLC	Fluid distributing rotatable drive shaft
D438545,	Jul 22 1999	ENVIRONMENTALLY SENSITIVE VEGETATION CONTROL, LLC	Rotatable fluid distributing drive shaft
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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Apr 12 1984	PERKIN, GREGG S	LOR, INC , A LA CORP	ASSIGNMENT OF ASSIGNORS INTEREST	004252	0464	pdf
Apr 12 1984	DE CELL, ALONZO L	LOR, INC , A LA CORP	ASSIGNMENT OF ASSIGNORS INTEREST	004252	0464	pdf
Apr 12 1984	PATARINI, PETER	LOR, INC , A LA CORP	ASSIGNMENT OF ASSIGNORS INTEREST	004252	0464	pdf
Apr 20 1984		LOR, Inc.	(assignment on the face of the patent)
Jul 16 1993	TRIUMPH LOR, INC A DELAWARE CORPORATION	FIRST RESERVE ENERGY SERVICES ACQUISITION CO I	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	006617	0881	pdf

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