IP Library › Assignment 025342/0362
Patent Assignment
Reel/Frame 025342/0362

Change of Name

Recorded: 2010-11-10 Pages: 5
Assignor
OPTREL AG
Executed: 2007-08-09
Assignee
SPERIAN WELDING PROTECTION AG
INDUSTRIESTRASSE 2, WATTWIL, CH-9630, SWITZERLAND
Covered Property (1)
Anti-Glare Protection Device
Patent: 6,891,681 →
Application: 10/257,747 →
Publication: US 2004/0083539
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 15, 2003
From: SCHINDELE, RONALD
To: OPTREL AG
Reel/Frame 014275/0921 →
Assignment of Assignor's Interest Apr 25, 2018
From: OPTREL AG
To: OPTREL HOLDING AG
Reel/Frame 045631/0186 →