Alfred Fettweis

SA Siemens Aktiengesellschaft: 2 patents #41 of 603Top 7%

📍 Bochum, DE: #3 of 40 inventorsTop 8%

Overall (1982): #16,466 of 81,411Top 25%

Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
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