IP Library › Assignment 044644/0187
Patent Assignment
Reel/Frame 044644/0187

Assignment of Assignor's Interest

Recorded: 2018-01-17 Pages: 7
Assignors
GRISHAM, WILLIAM T
Executed: 2001-09-07
ROBERTS, MARK D
Executed: 2001-09-07
Assignee
TIME DOMAIN CORPORATION
7057 OLD MADISON PIKE, HUNTSVILLE, ALABAMA, 35806
Covered Property (1)
Railroad Collision Avoidance System and Method for Preventing Train Accidents
Patent: 6,917,284 →
Application: 10/753,891 →
Publication: US 2004/0155760
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 19, 2011
From: TIME DOMAIN CORPORATION
To: TDC ACQUISITION HOLDINGS, INC.
Reel/Frame 025983/0646 →
Assignment of Assignor's Interest Feb 13, 2018
From: TDC ACQUISITION HOLDINGS, INC.
To: HUMATICS CORPORATION
Reel/Frame 045318/0549 →