1909 – Apparatus for Submarine Operations – Pierre Eugene Galoffre (French)

1909 – Apparatus for Submarine Operations – Pierre Eugene Galoffre Apparatus for submarine operations. Publication number    US935485 A Publication type    Grant Publication date    28 Sep 1909 Filing date    8 Jan 1909 Priority date    8 Jan 1909 Inventors    Pierre Eugene Galoffre Original Assignee    Pierre Eugene Galoffre Be it known that I, PIERRE EUGENE GALOFFRE, citizen of …