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IN THE UNITED STATES CIRCUIT COURT

OF APPEALS FOR THE NINTH CIRCUIT.

In Equity No, 2291.

DETROIT COPPER MINING COMPANY OF

ARIZONA and ARIZONA COPPER COM-

PANY,

Defendants- Appellants,

vs.

MINE AND SMELTER SUPPLY COMPANY,

Complainant- Appellee.

Brief for Appellants in Reply.

The statement of a few indisputable facts will show

that the brief of coimsel for the appellee is mainly

made up of erroneous assertions and irrelevant cases.

The appellants were engaged in the business of min-

ing copper at Morenci, Arizona. They had been

usina: Wilfley tables in their concentrating mills.

The Deister table, then just being introduced in the

mining country, was brought to their attention and

they put a few of them into their mills. The Mine

and Smelter Supply Company immediately brought

suit against each company for infringement of the

Wilfley patent, by use of the Deister machines. The

District Court gave judgment for the plaintiff; the

defendants appealed to this Court.

The charge of infringement in the bill is in re-

stricted terms. It is said that the defendants were

usins: ore concentrators 'Svith certain riffles ur)on the

tops or concentrating surfaces thereof, which in their

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archive.org Volume Name: govuscourtsca9briefs0827

Volume: http://archive.org/stream/govuscourtsca9briefs0827

Document Link: http://archive.org/stream/govuscourtsca9briefs0827#page/n678/mode/1up

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