Inventor · disambiguated record

Archie E. Barkdoll

Also filed as: BARKDOLL ARCHIE E

2 granted patents·106 citations·filing 1974–1974

67Inventor score

Technology areasG02C

Files withDU PONT2

Top patents by PatentIndex Score

2 records

0193US3944347AContact lens having a hard center and soft, tough peripheryDU PONT·Filed 1974·Granted Mar 16, 1976·87 cites·33 claims
0268US3940207ASoft, tough low refractive index contact lensesDU PONT·Filed 1974·Granted Feb 24, 1976·19 cites·12 claims

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