Joseph H. Dillon-Gregg

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Joseph Henry Dillon-Gregg was an aero inventor in St. Louis. He appears at this writing to have had one patent, filed in four countries. His middle name is Henry according to the German patent.

Patents whose inventor or applicant is Joseph H. Dillon-Gregg or Joseph Henry Dillon-Gregg


Names Joseph H. Dillon-Gregg; Joseph Henry Dillon-Gregg
Birth date
Death date
Countries US
Locations St. Louis
Tech areas
Wikidata id