Patent Assignment
Reel/Frame 025782/0887
Assignment of Assignor's Interest
Recorded: 2011-02-07
Pages: 3
Assignee
RITTAL GMBH & CO KG
AUF DEM STUTZELBERG, D-35745 HERBORN, GERMANY
Covered Property
(1)
Position-Monitoring Device for Persons In A Tunnel System