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Ruth; Harvey L.
St. Louis, MO
No. of patents:

Patent Number Title Of Patent Date Issued
4272458 Tamper resistant idle adjustment screw June 9, 1981
A carburetor improvement inhibits tampering with an idle adjustment screw after an initial adjustment of the screw is made. The improvement comprises a cover attachable to the carburetor which prevents access to the idle adjustment screw.
4267129 Carburetor bowl vent May 12, 1981
A carburetor improvement comprises a flow passage through which fuel vapors created in a fuel bowl are drawn off to a chamber having a first outlet through which fuel vapors are directed to a canister and a second outlet through which fuel vapors are directed to an air passage in the

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