Inventor · disambiguated record
John William Keen
Also filed as: KEEN JOHN WILLIAM
1 granted patent·14 citations·filing 1975–1975
36Inventor score
Technology areasF01P
Files withMARSTON EXCELSIOR LTD1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →