Inventor · disambiguated record

Derek Alford

Also filed as: ALFORD DEREK

1 granted patent·10 citations·filing 1980–1980

33Inventor score
Technology areasE21C
Files withCOAL INDUSTRY PATENTS LTD1

Top patents by PatentIndex Score

1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →