Inventor · disambiguated record
John D Duke
Also filed as: DUKE JOHN D · DUKE JR JOHN D
2 granted patents·43 citations·filing 1990–2020
55Inventor score
Top patents by PatentIndex Score
2 records- 0175US5062575AComminutor with impact, shear and screening sectionsPENNSYLVANIA CRUSHER CORP·Filed 1990·Granted Nov 5, 1991·43 cites·17 claims
- 0248US12196981B2Variable lenses with improved image quality during continuous focus, video recording devices, and systems and methods comprising the sameCORNING INC·Filed 2020·Granted Jan 14, 2025·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →