Patent Assignment
Reel/Frame 008477/0146
Assignment of Assignor's Interest
Recorded: 1997-03-13
Pages: 2
Assignors
KLEIN, KARL-FRIEDRICH
Executed: 1997-02-22
HILLRICHS, GEORG
Executed: 1997-02-05
GRZESIK, ULRICH
Executed: 1997-01-21
YAMAGATA, SHIGERU
Executed: 1997-01-14
Assignees
HERAEUS QUARZGLAS GMBH
QUARZSTRASSE, 63450 HANAU, GERMANY
SHIN-ETSU QUARTZ PRODUCTS CO., LTD.
22-2, NISHI SHINJUKU 1-CHOME, SHINJUKU-KU, TOKYO, JAPAN
Covered Property
(1)
Repeatedly Coating a Uv-Fiber with Blocking Layers and Charging the Fiber with Hydrogen
Patent:
6,220,059 →
Application:
08/772,659 →
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 →