Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for driving a service function unit of a multi-function telephone set

Apparatus for driving a service function unit of a multi-function telephone set

US Patent 5206904 · Granted Apr 27, 1993

Estimated economic value: $41,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus for referring to a content of a dial memory in a telphone set1996
Apparatus for displaying time-of-day data adaptively to different time zones1994
Apparatus for displaying time-of-day data adaptively to different time zones1993
Apparatus for control of storing information into dial memories in a telephone s1993