Patent Assignment
Reel/Frame 021876/0379
Assignment of Assignor's Interest
Recorded: 2008-11-24
Pages: 7
Assignor
ESTATE OF DONALD D. REITZ
Executed: 2008-11-06
Assignee
CREDO PETROLEUM CORPORATION
1801 BROADWAY, SUITE 900, DENVER, COLORADO, 80202
Covered Properties
(2)
Method and Apparatus for Accumulating Liquid and Initiating Upward Movement When Pumping a Well with a Sealed Fluid Displacement Device
Method and Apparatus for Pumping Wells with a Sealing Fluid Displacement Device
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Oct 3, 2012
From: CREDO PETROLEUM CORPORATION
To: FORESTAR PETROLEUM CORPORATION
Reel/Frame 029068/0546 →
Security Agreement
Oct 3, 2012
From: FORESTAR PETROLEUM CORPORATION
To: KEYBANK NATIONAL ASSOCIATION
Reel/Frame 029069/0180 →
Release of Security Agreement
Dec 19, 2016
From: KEYBANK NATIONAL ASSOCIATION
To: FORESTAR PETROLEUM CORPORATION
Reel/Frame 041031/0884 →