Patent Assignment
Reel/Frame 008899/0136
Assignment of Assignor's Interest
Recorded: 1997-12-08
Pages: 4
Assignee
SUN DRILLING PRODUCTS CORPORATION
503 MAIN STREET, BELLE CHASSE, LOUISIANA, 70037
Covered Property
(1)
Drilling Fluid System Containing a Combination of Hydrophilic Carbon Black/Asphaltite and a Refined Fish Oil/Glycol Mixture and Related Methods
Patent:
5,942,467 →
Application:
08/986,668 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 13, 1998
From: SUN DRILLING PRODUCTS CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 009375/0230 →
Security Agreement
Dec 12, 2005
From: SUN DRILLING PRODUCTS CORPORATION
To: COMERICA BANK
Reel/Frame 016883/0001 →
Security Interest
Jun 15, 2017
From: SUN DRILLING PRODUCTS CORPORATION
To: MIDCAP BUSINESS CREDIT LLC
Reel/Frame 042723/0780 →