Patent Assignment
Reel/Frame 018552/0641
Security Agreement
Recorded: 2006-11-29
Pages: 13
Assignor
DFS LINKAGES, INC.
Executed: 2006-10-18
Assignee
THI INCORPORATED
900 CLANCEY ST NE, ATTN: FORREST FRANK, GRAND RAPIDS, MICHIGAN, 49503
Covered Properties
(3)
Method and System for Transient Key Digital Time Stamps
Patent:
6,381,696 →
Application:
09/158,592 →
System and Method for Widely Witnessed Proof of Time
System and Method for Graphical Indicia for the Certification of Records
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 27, 2000
From: DOYLE, MICHAEL D.
To: PROOFSPACE, INC.
Reel/Frame 010957/0981 →
Trust Agreement and Assignment for the Benefit of Creditors of Proofspace Incorporated
Jun 10, 2002
From: PROOFSPACE INCORPORATED
To: DEVELOPMENT SPECIALISTS, INC.
Reel/Frame 012973/0282 →
Bill of Sale
Jun 10, 2002
From: DEVELOPMENT SPECIALISTS, INC.
To: DFS LINKAGES, INC.
Reel/Frame 012973/0145 →
Assignment of Assignor's Interest
Jun 18, 2002
From: DOYLE, MICHAEL D.; HAMILTON, ROBERT G.; PERRONE, MARC C.; DOYLE, PAUL F.
To: PROOFSPACE, INC.
Reel/Frame 013010/0864 →
Bill of Sale
Jun 18, 2002
From: DEVELOPMENT SPECIALISTS, INC.
To: DFS LINKAGES, INC.
Reel/Frame 013013/0957 →
Trust Agreement and Assignment for the Benefit of Creditors of Proofspace Incorporated
Jun 18, 2002
From: PROOFSPACE INCORPORATED
To: DEVELOPMENT SPECIALIST, INC.
Reel/Frame 013014/0021 →
Assignment of Assignor's Interest
Jun 18, 2002
From: DOYLE, MICHAEL D.; DOYLE, PAUL F.; BERNSOHN, GLENN W.; ROBERTS, JEFFREY D.
To: PROOFSPACE, INC.
Reel/Frame 013010/0873 →
Assignment of Assignor's Interest
Feb 6, 2018
From: DFS LINKAGES, INC.
To: DOYLE, MICHAEL D.
Reel/Frame 044845/0027 →
Release of Security Interest
Feb 6, 2018
From: THI INCORPORATED
To: DFS LINKAGES, INC.
Reel/Frame 045261/0842 →