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Patents for Walter Langdon-Davies
Patents 16 - 24 of 24
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
GB-190,311,723Mar. 31, 1904W. Langdon-Davies, A. SoamesImprovements in Clutchesindustrial machine clutches
GB-190,311,147May 05, 1904W. Langdon-Davies, A. SoamesImprovements in Change Speed Gear.industrial machine speed and direction changing mechanisms
FR-339,802Jun. 20, 1904W. Langdon-Davies, A. SoamesImprovements in Change Speed Gearindustrial machine speed and direction changing mechanisms
GB-190,322,690Oct. 20, 1904W. Langdon-Davies, A. SoamesImprovements in Change Speed-Gearindustrial machine speed and direction changing mechanisms
773,999Nov. 01, 1904W. Langdon-Davies, A. SoamesChange Speed Gearindustrial machine speed and direction changing mechanisms
775,503Nov. 22, 1904W. Langdon-Davies, A. SoamesChange Speed Gearindustrial machine speed and direction changing mechanisms
GB-190,400,468Dec. 08, 1904W. Langdon-Davies, A. SoamesImprovements in Change Speed-Gearindustrial machine speed and direction changing mechanisms
GB-190,407,384Jan. 26, 1905W. Langdon-Davies, A. SoamesImprovements Relating to Change Speed Gear. industrial machine speed and direction changing mechanisms
FR-4,001Apr. 19, 1905A. Soames, W. Langdon-DaviesGear Shiftingindustrial machine speed and direction changing mechanisms
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