Assignee
FON EX INC
US·3 granted patents·208 citations·filing 1988–1991
Top patents by PatentIndex Score
3 records- 0192US5031206AMethod and apparatus for identifying words entered on DTMF pushbuttonsFON EX INC·Filed 1988·Granted Jul 9, 1991·113 cites·29 claims
- 0276US5200988AMethod and means for telecommunications by deaf persons utilizing a small hand held communications deviceFON EX INC·Filed 1991·Granted Apr 6, 1993·80 cites·22 claims
- 0365US4846594AApparatus for printing of envelopes and pre-packaged mailing inserts located thereinFON EX INC·Filed 1988·Granted Jul 11, 1989·15 cites·24 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →