Assignee
POLYTEL CORP
US·4 granted patents·85 citations·filing 1982–1983
Top patents by PatentIndex Score
4 records- 0184US4616213ACapacitive multikey keyboard for inputting data into a computerPOLYTEL CORP·Filed 1983·Granted Oct 7, 1986·30 cites·18 claims
- 0279US4555693AMultikey keyboard for inputting data into a computerPOLYTEL CORP·Filed 1982·Granted Nov 26, 1985·29 cites·19 claims
- 0363US4532497AMatrix keyboard with plurality of sequences of cascaded electrical elementsPOLYTEL CORP·Filed 1983·Granted Jul 30, 1985·12 cites·7 claims
- 0462US4567469AMatrix keyboardPOLYTEL CORP·Filed 1983·Granted Jan 28, 1986·14 cites·11 claims
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