Assignee
WIDMAIER FA HANS
DE·3 granted patents·71 citations·filing 1981–1986
Top patents by PatentIndex Score
3 records- 0186US4400593AKey arrayWIDMAIER FA HANS·Filed 1981·Granted Aug 23, 1983·41 cites·11 claims
- 0278US4531033AKeyboard for initiating switching operations or switching signals associated with respective symbols on the surfaces of the keysWIDMAIER FA HANS·Filed 1983·Granted Jul 23, 1985·26 cites·4 claims
- 0321US4745396ADecoder circuit for generating logical signals in response to the actuation of a keyboard provided with symbols associated with respective logical signalsWIDMAIER FA HANS·Filed 1986·Granted May 17, 1988·4 cites·15 claims
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