Inventor
ANDERL SIEGFRIED
DE4 patents
Patents
4 patentsUS4583449AApr 22, 1986
Coffee percolator for selectively making normal coffee or espresso
WMF WUERTTEMBERG METALLWAREN63 citations90
US4688474AAug 25, 1987
Coffee percolator
WMF WUERTTEMBERG METALLWAREN29 citations89
US4633771AJan 6, 1987
Coffee percolator
WMF WUERTTEMBERG METALLWAREN34 citations89
US4200039AApr 29, 1980
Coffee machine
WMF WUERTTEMBERG METALLWAREN19 citations70