Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Charge code entry in preprogrammed dialing

Charge code entry in preprogrammed dialing

US Patent 5638429 · Granted Jun 10, 1997

Estimated economic value: $12,528,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Switch device incorporating capacitive oscillator2007
Sending/receiving raster/image data using a multifunction product2007
Multifunction device with printer/facsimile contention selection1999
System and method for overriding a low marking material status in a facsimile en1998
Facsimile with local correction of TRC based on destination TRC requirements1996