FR549628A (en )1923-02-15 Method and apparatus for air transport FR537258A (en )1922-05-19 Improved apparatus for instruction or practice of shooting and in particular hunting FR758412A (en )1934-01-17 Method and apparatus for separating bark from wood FR768949A (en )1934-08-16 Method and apparatus for recording sound FR556398A (en )1923-07-19 Method and apparatus for the artificial reconstitution of daylight FR556194A (en )1923-07-13 Apparatus for the automatic distribution and ignition of cigarettes FR601376A (en )1926-03-01 Method and apparatus for the enrichment of ores and coals FR536845A (en )1922-05-10 Method and device for regulating the course of rivers FR530542A (en )1921-12-24 Grafting method and apparatus for trimming the graft and the subject FR538031A (en )1922-06-02 Method and apparatus for the distillation of sulfur FR510511A (en )1920-12-06 Method and apparatus for projecting moving pictures and other views FR757388A (en )1933-12-26 Improved method and apparatus for studying mobiles FR515525A (en )1921-04-02 Method and apparatus for extracting sulfurous acid from certain gases FR537325A (en )1922-05-20 Method and apparatus for lead corrosion FR593973A (en )1925-09-04 Method and apparatus for causing precipitation of atomospheric moisture and the like FR528882A (en )1921-11-19 Method and apparatus for the manufacture of agglomerates of all models FR568214A (en )1924-03-18 Method and apparatus for carbonic acid amendment FR516615A (en )1921-04-23 Method and device for priming siphons FR528307A (en )1921-11-10 Apparatus for testing and checking the fixed point of self-propelled vehicles FR538576A (en )1922-06-12 Method and apparatus for marbling FR764983A (en )1934-05-31 Method and device for photographic sound recording FR753316A (en )1933-10-13 Method and apparatus for the purification of zinc FR505324A (en )1920-07-28 Method and apparatus for testing magnetizable objects FR530920A (en )1922-01-04 Improvements in cinematographs and related apparatus FR539829A (en )1922-07-01 Launch device for scooter and other similar toys