IP Library › Assignment 023230/0702
Patent Assignment
Reel/Frame 023230/0702

Assignment of Assignor's Interest

Recorded: 2009-09-15 Pages: 2
Assignors
HEUMANN, MICHAEL CARL
Executed: 2000-10-02
COOLEY, KEITH
Executed: 2000-10-02
Assignee
KNOWLEDGE FILTER, INC.
6910 SEBASTOPOL AVENUE, SEBASTOPOL, CALIFORNIA, 95472-3411
Covered Property (1)
Knowledge Filter
Patent: 8,943,069 →
Application: 12/558,823 →
Publication: US 2010/0005093
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 15, 2009
From: KNOWLEDGEFILTER, INC.
To: KL INTERNET APPLICATIONS, LLC
Reel/Frame 023230/0756 →
Merger Dec 2, 2015
From: KL INTERNET APPLICATIONS, LLC
To: CHARTOLEAUX KG LIMITED LIABILITY COMPANY
Reel/Frame 037188/0199 →
Nunc Pro Tunc Assignment Jan 17, 2019
From: CHARTOLEAUX KG LIMITED LIABILITY COMPANY
To: INTELLECTUAL VENTURES ASSETS 117 LLC
Reel/Frame 048054/0302 →
Assignment of Assignor's Interest Jul 10, 2020
From: INTELLECTUAL VENTURES ASSETS 117 LLC
To: SLINGSHOT TECHNOLOGIES LLC
Reel/Frame 053175/0370 →
Assignment of Assignor's Interest Jan 26, 2021
From: SLINGSHOT TECHNOLOGIES LLC
To: GRAVEL RATING SYSTEMS LLC
Reel/Frame 055037/0601 →