Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Vending type machine dispensing a redeemable credit voucher upon payment interrupt

Vending type machine dispensing a redeemable credit voucher upon payment interrupt

US Patent 5055657 · Granted Oct 8, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Self-filling storage device for card-shaped data carriers2000
Device for dispensing liquid fluids1999
Device for writing on a card-shaped data memory having sensors for detecting mag1996
Device for automatic cashiers for storing coins1985