BR8704086A -
IMPROVEMENT IN DIGITAL PHONE KEYBOARD
- Google Patents
IMPROVEMENT IN DIGITAL PHONE KEYBOARD
Info
Publication number
BR8704086A
BR8704086ABR8704086ABR8704086ABR8704086ABR 8704086 ABR8704086 ABR 8704086ABR 8704086 ABR8704086 ABR 8704086ABR 8704086 ABR8704086 ABR 8704086ABR 8704086 ABR8704086 ABR 8704086A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gilberto Costa, Ricardo Dos SantosfiledCriticalGilberto Costa
Priority to BR8704086ApriorityCriticalpatent/BR8704086A/en
Publication of BR8704086ApublicationCriticalpatent/BR8704086A/en