Patent Assignment
Reel/Frame 006972/0985
Assignment of Assignor's Interest
Recorded: 1994-04-26
Pages: 3
Assignor
RUSCHKE, RIEK R.
Executed: 1994-04-25
Assignee
FILTERTEK, INC.
11411 E. PRICE ROAD, HEBRON, ILLINOIS, 60034
Covered Property
(1)
Process for Making Hermetically Sealed Filter Units and Filters Made Thereby
Patent:
5,556,541 →
Application:
08/233,068 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Feb 23, 1998
From: FILTERTEK, INC.
To: FILTERTEK USA, INC.
Reel/Frame 008995/0986 →
Assignment of Assignor's Interest
Mar 9, 1998
From: FILTERTEK USA, INC.
To: FILTERTEK INC.
Reel/Frame 009038/0174 →
Merger
Nov 9, 2011
From: FILTERTEK INC.
To: ILLINOIS TOOL WORKS INC.
Reel/Frame 027201/0381 →