Patent Assignment
Reel/Frame 019958/0343
Assignment of Assignor's Interest
Recorded: 2007-10-12
Pages: 4
Assignor
BUTLER, DOUGLAS B.
Executed: 1990-07-24
Assignees
RAMTRON CORPORATION
1850 RAMTRON DRIVE, COLORADO SPRINGS, COLORADO, 80921
NMB SEMICONDUCTOR COMPANY
1580 YAMAMOTO, TATEYAMA-SHI, CHIBA 294, JAPAN
Covered Property
(1)
Stacked Capacitor with Sidewall Insulation
Patent:
5,162,890 →
Application:
07/681,159 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Release of Security Interest
Mar 29, 2004
From: NATIONAL ELECTRICAL BENEFIT FUND
To: RAMTRON INTERNATIONAL CORPORATION
Reel/Frame 014468/0248 →
Amendment to Security Agreement and Amendment to Certain Ip
Apr 5, 2004
From: INFINEON TECHNOLOGIES AG
To: RAMTRON INTERNATIONAL CORPORATION
Reel/Frame 014491/0364 →
Assignment of Assignor's Interest
May 24, 2004
From: RAMTRON INTERNATIONAL CORPORATION; ENHANCED MEMORY SYSTEMS, INC.
To: PURPLE MOUNTAIN SERVER LLC
Reel/Frame 014662/0505 →
Merger
Jan 28, 2011
From: PURPLE MOUNTAIN SERVER LLC
To: INTELLECTUAL VENTURES I LLC
Reel/Frame 025715/0378 →