Hans-Walter Altendorf

SA Siemens Aktiengesellschaft: 2 patents #73 of 995Top 8%

Overall (1989): #26,748 of 140,708Top 20%

Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4866356	Circuit for controlling the speed of a subfractional horsepower DC motor	—	1989-09-12
4840563	Dental equipment having means for delivering RF and LF energy to a dental handpiece	—	1989-06-20