Inventor · disambiguated record

David J. Crawford

Also filed as: CRAWFORD DAVID J

2 granted patents·26 citations·filing 1980–1981

60Inventor score

Technology areasG03F Y10T

Files withIBM2

Top patents by PatentIndex Score

2 records

0153US4357540ASemiconductor device array mask inspection method and apparatusIBM·Filed 1980·Granted Nov 2, 1982·17 cites·10 claims
0242US4413399AApparatus and method for precisely positioning an objectIBM·Filed 1981·Granted Nov 8, 1983·9 cites·12 claims

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