IP Library › Assignment 017811/0614
Patent Assignment
Reel/Frame 017811/0614

Patent Purchase Agreement

Recorded: 2006-06-19 Pages: 17
Assignor
Assignee
PROMETHEUS ENERGY COMPANY
3311 SOUTH 120TH PL., SUITE 100, SEATTLE, WASHINGTON, 98168
Covered Property (1)
Apparatus and Methods for Cooling and Liquefying a Fluid Using Magnetic Refrigeration
Patent: 6,467,274 →
Application: 09/850,725 →
Publication: US 2002/0040583
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Apr 18, 2008
From: PROMETHEUS ENERGY COMPANY
To: BLACK RIVER CEI SUBSIDIARY 4 LTD.
Reel/Frame 020817/0718 →
Assignment of Assignor's Interest Sep 9, 2008
From: PROMETHEUS ENERGY COMPANY
To: PROMETHEUS TECHNOLOGIES, LLC
Reel/Frame 021502/0549 →
Assignment of Assignor's Interest May 15, 2009
From: PROMETHEUS ENERGY COMPANY
To: PROMETHEUS TECHNOLOGIES, LCC
Reel/Frame 022693/0558 →
Corrective Assignment to Correct the Remove U.S. Application Number 09/943,422 Previously Recorded on Reel 022693 Frame 0558. Assignor(S) Hereby Confirms the Assignment. May 18, 2009
From: PROMETHEUS ENERGY COMPANY
To: PROMETHEUS TECHNOLOGIES, LCC
Reel/Frame 022697/0052 →