Inventor
HERRNRING GUENTHER
DE5 patents
⚠️ This page may combine multiple inventors who share the name “HERRNRING GUENTHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MONTBLANC SIMPLO GMBH
4 patentsUS4708506ANov 24, 1987
Ink supply system with tube pump
MONTBLANC SIMPLO GMBH25 citations90
US4573819AMar 4, 1986
System for supplying ink for writing instruments
MONTBLANC SIMPLO GMBH28 citations90
US4634305AJan 6, 1987
Ink supply system for writing instruments which operate with liquid ink
MONTBLANC SIMPLO GMBH23 citations79
US4225256ASep 30, 1980
Pen nib with slit for liquid inks
MONTBLANC SIMPLO GMBH3 citations52