IP Library › Assignment 024488/0430
Patent Assignment
Reel/Frame 024488/0430

Assignment of Assignor's Interest

Recorded: 2010-06-04 Pages: 5
Assignors
LYON, LELAND H.
Executed: 2010-05-28
LAY, WARREN THOMAS
Executed: 2010-05-28
Assignee
CENTER ROCK, INC.
118 SCHROCK DRIVE, SUITE 101, BERLIN, PENNSYLVANIA, 15530
Covered Property (1)
Pressure Reversing Valve Assembly for a Down-the-Hole Percussive Drilling Apparatus
Patent: 8,631,884 →
Application: 12/794,314 →
Publication: US 2011/0297447
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Feb 15, 2012
From: CENTER ROCK, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 027705/0159 →
Release of Security Interest Feb 8, 2018
From: PNC BANK, NATIONAL ASSOCIATION
To: CENTER ROCK, INC.
Reel/Frame 044865/0654 →