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WATER HAMMER ARRESTER CORP. v. TOWER

Civil Action No. 756.

66 F.Supp. 732 (1944)

WATER HAMMER ARRESTER CORPORATION v. TOWER.

District Court, E. D. Wisconsin.

December 16, 1944.

Attorney(s) appearing for the Case

Thiess, Olson & Mecklenburger, by Bertram Wm. Coltman and Leonard S. Kleinfeld, all of Chicago, Ill., and Ralph W. Brown, of Milwaukee, Wis., for plaintiff.

Elwin A. Andrus, of Milwaukee, Wis., for defendant.

DUFFY, District Judge.

This is an action for a declaratory judgment that the patent in suit is invalid and not infringed. On February 17, 1942, U. S. Letters Patent No. 2,273,766, entitled "Water Hammer Arrester," was granted to the defendant on application filed on August 4, 1940. By letter dated February 19, 1942, defendant notified plaintiff of the issuance of the patent in suit and charged that water hammer arresters manufactured and sold by plaintiff infringed...

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