P
PatentIndex
Search
Landscape
Sign in
Inventor
SEEN MANFRED
DE
2 patents
Patents
2 patents
US4746982A
May 24, 1988
Equipment for through-connecting color television signals
SIEMENS AG
10 citations
69
US4845756A
Jul 4, 1989
Apparatus for through-connecting audio signals
SIEMENS AG
12 citations
62