Patent Assignment
Reel/Frame 009403/0386
Assignment of Assignor's Interest
Recorded: 1998-08-18
Pages: 3
Assignee
SYSTEMS & ELECTRONICS, INC.
P.O. BOX 4027, ST. LOUIS, MISSOURI, 63121
Covered Property
(1)
Video Detection Apparatus for Monitoring a Railroad Crossing
Patent:
5,825,412 →
Application:
08/650,164 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 28, 1999
From: SYSTEMS & ELECTRONICS, INC.
To: ESCO ELECTRONICS, INC.
Reel/Frame 010269/0797 →
Assignment of Assignor's Interest
Apr 24, 2006
From: ESCO TECHNOLOGIES INC.
To: COMTRAK TECHNOLOGIES, L.L.C.
Reel/Frame 017519/0096 →
Assignment of Assignor's Interest
Apr 23, 2009
From: COMTRAK TECHNOLOGIES, LLC
To: ADT SERVICES AG
Reel/Frame 022584/0146 →