Assignee
HELLO SA
FR5 patents
Top patents by PatentIndex Score
US5278395AJan 11, 1994
Portable electronic access controlled system for parking meters or the like
HELLO SA45 citations81
US5239195AAug 24, 1993
Mos transistor with high threshold voltage
HELLO SA19 citations70
US5241162AAug 31, 1993
Accounting system for consumable units, with optimized management, notably to account for parking time units
HELLO SA8 citations67
US5235565AAug 10, 1993
Time-accounting system and method comprising means for the generation of codes at instants computed by a secret algorithm
HELLO SA10 citations64
US5173883ADec 22, 1992
Snooper device for regulated parking time-accounting system
HELLO SA7 citations57