KW

Klaus Walla

SA Siemens Aktiengesellschaft: 1 patents #143 of 603Top 25%
Overall (1982): #47,901 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4315103 Speech-controlled loudspeaker telephone station circuit — 1982-02-09