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French Patents
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
FR-7,518Sep. 07, 1848J.L. PalmerScrew caliper and circular vernier (micrometer)micrometers
FR-134,503Dec. 22, 1881C.G. BeecheyGas Enginegas and gasoline engines
FR-148,644Apr. 28, 1882K. TeichmannGas Enginegas and gasoline engines
FR-327,011Jun. 12, 1903C. ContalCle a Combinaisonsratchet wrenches
FR-332,708Nov. 05, 1903F.D. BullardPerfectionnements aux clefs pour tuyauxself-adjust wrenches
FR-368,177Nov. 20, 1906J.H. WicksteedImprovements to planers, bypass machines or slot machines with reciprocating movements of varying lengthsmetal planers
FR-441,450Aug. 06, 1912B. BrazelleInternal combustion enginegas and gasoline engines
FR-457,282Sep. 15, 1913T.R. BellProcess for making foundry patterns
FR-489,933Mar. 22, 1919P. Hunt, H.W. Hunt, H. HuntMachine for sharpening helicoidal drill tipsdrill grinders
FR-492,595Jul. 11, 1919A.C. Bell, T.R. BellImprovements in alternating current motorsAC motors
FR-495,289Oct. 03, 1919P. Hunt, H.W. Hunt, H. HuntMachine to groove and cut twist drillsdrill grinders
FR-740,831Jul. 28, 1932M. Tool Co.A Method and Apparatus for Finishing Gear Teethgear making machines
FR-828,200May 11, 1938O.E. RobbinsMagnetic Sine Table grinding attachments
FR-1,512,259Feb. 02, 1968H.F. MeyerTool changer for machine toolstool changers and storage mechanisms
FR-2,380,595Sep. 08, 1978L.D. Ostby, R. JohnstoneMethod and Apparatus for Remote Displaying of Analog Signals Appearing in Computer Controlled Machine Tools
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