Individual holder
HASENBALG RALPH D
4 granted patents·98 citations·filing 1977–1984
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0190US4543000ALatching actuatorHASENBALG RALPH D·Filed 1983·Granted Sep 24, 1985·67 cites·6 claims
- 0268US4682695AAutomated keyboard testingHASENBALG RALPH D·Filed 1984·Granted Jul 28, 1987·18 cites·21 claims
- 0354US4441833AKeyboard actuatorHASENBALG RALPH D·Filed 1981·Granted Apr 10, 1984·10 cites·18 claims
- 0435US4146336AKeyboard actuator for typewriters and the likeHASENBALG RALPH D·Filed 1977·Granted Mar 27, 1979·3 cites·10 claims
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