

Portable two-way radios are becoming more advanced in both form and function.

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 Motorola Inc filed Critical Motorola Inc Priority to US06/799,710 priority Critical patent/US4670747A/en Assigned to MOTOROLA, INC. Original Assignee Motorola Inc 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 or warranty as to the accuracy of the list.)

Ramos Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/799,710 Inventor Jaime A.
#Alpha numeric phone pad pdf
Google Patents Alphanumeric entry system having an electronic lock featureĭownload PDF Info Publication number US4670747A US4670747A US06/799,710 US79971085A US4670747A US 4670747 A US4670747 A US 4670747A US 79971085 A US79971085 A US 79971085A US 4670747 A US4670747 A US 4670747A Authority US United States Prior art keywords keypad display function key alphanumeric Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4670747A - Alphanumeric entry system having an electronic lock feature US4670747A - Alphanumeric entry system having an electronic lock feature
