Patent Assignment
Reel/Frame 004318/0552
Assignment of Assignors Interest.
Recorded: 1984-10-26
Pages: 1
Assignor
KAGLER, EDMOND JR.
Executed: 1984-10-15
Assignee
A-Z INTERNATIONAL TOOL COMPANY, A TX CORP.
HOUSTON, TEXAS
Covered Property
(1)
Method of and Apparatus for Cutting and Recovering of Submarine Surface Casing
Patent:
4,550,781 →
Application:
06/617,746 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Nov 18, 1993
From: A-Z INTERNATIONAL TOOL CO., INC.
To: DRILEX SYSTEMS, INC.
Reel/Frame 006772/0238 →
Assignment of Assignor's Interest
Dec 3, 1993
From: DRILEX SYSTEMS, INC.
To: MASX ENERGY SERVICES GROUP, INC.
Reel/Frame 006782/0769 →
Assignment of Assignor's Interest
Jan 12, 1994
From: MASX ENERGY SERVICES GROUP, INC. (A DELAWARE CORPORATION)
To: SMITH INTERNATIONAL, INC. (A DELAWARE CORPORATION)
Reel/Frame 006822/0975 →