Patent Assignment
Reel/Frame 004010/0273
Assignment of Assignors Interest.
Recorded: 1982-07-12
Pages: 3
Assignor
LINDSEY, HIRAM E.
Executed: 1981-03-23
Assignee
MWL TOOL AND SUPPLY COMPANY
A CORP. OF TEX., MIDLAND, TEXAS
Covered Property
(1)
Retrievable Insert Landing Assembly
Patent:
4,399,873 →
Application:
06/274,284 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Released by Secured Party
Apr 6, 1989
From: NATIONAL BANK OF CANADA; ROYAL BANK OF CANADA, THE; FIRST NATIONAL BANK OF BOSTON, THE
To: WARRINGTON, INC.,; WARRINGTON PRODUCTS INC.
Reel/Frame 005091/0501 →
Security Interest
Apr 6, 1989
From: WARRINGTON INC., A CANADIAN CORP.; CANSTAR SPORTS GROUP, INC., A CANADAIAN CORP.
To: FIRST NATIONAL BANK OF BOSTON, THE; CANADIAN IMPERIAL BANK OF COMMERCE; BANK OF BOSTON CANADA
Reel/Frame 005091/0508 →
Change of Name
Dec 3, 1993
From: LINDSEY COMPLETION SYSTEMS, INC.
To: MASX ENERGY SERVICES GROUP, INC.
Reel/Frame 006783/0444 →
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 →