AF

Alfred Fettweis

SA Siemens Aktiengesellschaft: 3 patents #4,667 of 22,248Top 25%
📍 Bochum, DE: #241 of 1,022 inventorsTop 25%
Overall (All Time): #1,671,703 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4866649 Multi-dimensional digital filter having adders, multipliers and shift elements 1989-09-12
4356464 Filter for electric signals consisting of switches, capacitors and amplifiers 1982-10-26
4326288 Method and apparatus for frequency division multiplex system 1982-04-20