Patent Assignment
Reel/Frame 009265/0970
Assignment of Assignor's Interest
Recorded: 1998-06-18
Pages: 2
Assignee
HERAEUS QUARZGLAS GMBH
QUARZSTRASSE, 63450 HANAU, GERMANY
Covered Property
(1)
Method for the Production of a Quartz Glass Blank and Apparatus Suitable Therefor
Patent:
6,079,225 →
Application:
09/099,894 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 1, 2004
From: HERAEUS QUARZGLAS GMBH & CO. KG
To: HERAEUS TENEVO AG
Reel/Frame 015017/0951 →
Conversion of Ag to Gmbh
Jun 6, 2005
From: HERAEUS TENEVO AG
To: HERAEUS TENEVO GMBH
Reel/Frame 016651/0631 →
Merger
Feb 11, 2008
From: HERAUS TENEVO GMBH
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 020532/0533 →
Corrective Assignment to Correct Reel/Frame No. 020532/0533, Previously Recorded on 2/11/08.
Apr 22, 2008
From: HERAEUS TENEVO GMBH
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 021018/0043 →