IP Library › Assignment 019252/0121
Patent Assignment
Reel/Frame 019252/0121

Assignment of Assignor's Interest

Recorded: 2007-05-04 Pages: 2
Assignor
WALKER, WILLIAM C.
Executed: 2002-07-16
Assignee
BERTRAM, KAREN MEYER
25685 SHERMAN ROAD, ROMOLAND, CALIFORNIA, 92585
Covered Property (1)
Method and Apparatus for Treatment of Waste
Patent: 7,621,225 →
Application: 10/517,023 →
Publication: US 2006/0124040
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 4, 2007
From: BERTRAM, KAREN
To: INTERNATIONAL ENVIRONMENTAL SOLUTIONS CORPORATION
Reel/Frame 019252/0150 →
Assignment of Assignor's Interest Dec 3, 2012
From: INTERNATIONAL ENVIRONMENTAL SOLUTIONS CORP.
To: APS IP HOLDING LLC
Reel/Frame 029397/0316 →