Patent Assignment
Reel/Frame 027794/0711
Assignment of Assignor's Interest
Recorded: 2012-03-02
Pages: 2
Assignor
ALTER, JOSEF K.
Executed: 2012-03-01
Assignee
CON-TECH SYSTEMS LTD.
24424 MANZANITA DRIVE, DESCANSO, CALIFORNIA, 91916
Covered Property
(1)
Hollow Rebar for Crosshole Sonic Logging Access Tubes and Longitudinal Concrete Reinforcing in Drilled Shafts
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 19, 2015
From: ASCHENBROICH, HORST K.
To: CON-TECH SYSTEMS LTD.
Reel/Frame 034983/0072 →
Assignment of Assignor's Interest
Mar 27, 2015
From: ASCHENBROICH, HORST K.
To: CON-TECH SYSTEMS LTD.
Reel/Frame 035274/0697 →
Assignment of Assignor's Interest
Nov 1, 2018
From: CON-TECH SYSTEMS LTD.
To: ASCHENBROICH, HORST K.
Reel/Frame 047376/0994 →