Inventor · disambiguated record

Nils Spannhake

Also filed as: SPANNHAKE NILS

1 granted patent·11 citations·filing 1977–1977

34Inventor score

Technology areasG03C

Files withDU PONT1

Top patents by PatentIndex Score

1 record

0169US4124397AProcess for hardening photographic silver halide emulsionsDU PONT·Filed 1977·Granted Nov 7, 1978·11 cites·6 claims

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