Inventor · disambiguated record
John D. Hays
Also filed as: HAYS JOHN D · HAYS JR JOHN D
3 granted patents·102 citations·filing 1974–2011
70Inventor score
Top patents by PatentIndex Score
3 records- 0187US3952158AEar protection and hearing deviceKYLE GORDON L·Filed 1974·Granted Apr 20, 1976·92 cites·3 claims
- 0256US4020939AMatrix print head repetition rate controlNCR CO·Filed 1975·Granted May 3, 1977·9 cites·24 claims
- 0344US9135349B2Automatic technical language extension engineKENT PAUL R·Filed 2011·Granted Sep 15, 2015·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →