Membership
Tour
Register
Log in
Hartmut Schroder
Follow
Person
Dortmund, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for using a vertical internal test signal for...
Patent number
4,661,839
Issue date
Apr 28, 1987
ANT Nachrichtentechnik GmbH
Martin Plantholt
H04 - ELECTRIC COMMUNICATION TECHNIQUE