Assignee

LEDLER CORP

US·1 granted patent·113 citations·filing 1993–1993

Technology mixH04M1 H04N1

Top patents by PatentIndex Score

1 record

0181US5375160AInterface apparatus for effecting captioning and communications between a telephone line and a televisionLEDLER CORP·Filed 1993·Granted Dec 20, 1994·113 cites·16 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →