Patent Assignment
Reel/Frame 039137/0303
Assignment of Assignor's Interest
Recorded: 2016-07-12
Pages: 4
Assignor
ROTHFUSS, CHRISTOPHER J.
Executed: 2013-03-04
Assignee
RARE CORPORATION
601 S. 10TH STREET, LARAMIE, WYOMING, 82070
Covered Property
(1)
Phase Change Systems and Methods for Their Preparation and Use
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 12, 2016
From: RARE CORPORATION
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 039137/0323 →
Assignment of Assignor's Interest
Jul 12, 2016
From: ROBERTS, BRADLEY KIRK
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 039137/0348 →
Security Interest
Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →
Release of Security Interest in Patents, Recorded on January 29, 2019 at Reel 048373 Frame 0217
Sep 22, 2025
From: CRESTLINE DIRECT FINANCE, L.P., AS COLLATERAL AGENT
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 072936/0464 →