Inventor
RIEGERT HERMANN
DE4 patents
Patents
4 patentsUS4583449AApr 22, 1986
Coffee percolator for selectively making normal coffee or espresso
WMF WUERTTEMBERG METALLWAREN63 citations90
US4993315AFeb 19, 1991
Coffee percolator
WMF WUERTTEMBERG METALLWAREN29 citations85
US4147918AApr 3, 1979
Method of making knives
WMF WUERTTEMBERG METALLWAREN22 citations77
US4446978AMay 8, 1984
Insulated container
WMF WUERTTEMBERG METALLWAREN2 citations52