IP Library Assignment 054085/0511
Patent Assignment
Reel/Frame 054085/0511

Termination and Release of Security Interest in Patents

Recorded: 2020-10-15 Pages: 5
Assignor
Assignee
H.L. CHAPMAN PIPELINE CONSTRUCTION, INC.
2800 POST OAK BLVD., SUITE 2600, HOUSTON, TEXAS, 77056-6175
Covered Property (1)
Method of Trenching Below the Water Table
Patent: 7,870,683 →
Application: 12/199,247 →
Publication: US 2010/0050482
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 27, 2008
From: WAID, EVERETT LESLIE, JR.
To: CHAPMAN, HAROLD L, JR.
Reel/Frame 021449/0360 →
Assignment of Assignor's Interest Jun 17, 2010
From: CHAPMAN, HAROLD L., JR.
To: H.L. CHAPMAN PIPELINE CONSTRUCTION, INC.
Reel/Frame 024551/0669 →
Notice of Grant of Security Interest in Patents Aug 3, 2011
From: H.L. CHAPMAN PIPELINE CONSTRUCTION, INC.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 026691/0822 →