Assignee
TELEPHONE AND TELEGRAPH COMPAN
US·3 granted patents·126 citations·filing 1985–1988
Top patents by PatentIndex Score
3 records- 0184US4829580AText analysis system with letter sequence recognition and speech stress assignment arrangementTELEPHONE AND TELEGRAPH COMPAN·Filed 1986·Granted May 9, 1989·84 cites·8 claims
- 0264US4698804AShared data transmission systemTELEPHONE AND TELEGRAPH COMPAN·Filed 1985·Granted Oct 6, 1987·28 cites·1 claims
- 0361US4885435ACantilever spring switch having multiple fulcrumsTELEPHONE AND TELEGRAPH COMPAN·Filed 1988·Granted Dec 5, 1989·14 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when TELEPHONE AND TELEGRAPH COMPAN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →