Inventor
CANTELLO MAICHI
IT8 patents
⚠️ This page may combine multiple inventors who share the name “CANTELLO MAICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GD SPA
5 patentsUS4720619AJan 19, 1988
Device for piercing holes in rod-shaped items
GD SPA28 citations91
US5105833AApr 21, 1992
Device for perforating ventilation holes in cigarettes or similar
GD SPA8 citations72
US4585919AApr 29, 1986
Piercing device for piercing ventilating holes in cigarettes or similar smoking commodities
GD SPA7 citations72
US4660578AApr 28, 1987
Piercing device for piercing ventilating holes in cigarettes or similar smoking commodities
GD SPA6 citations61
US4633891AJan 6, 1987
Piercing device for piercing ventilating holes in cigarettes or similar smoking commodities
GD SPA5 citations61