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VAPOR BLAST MFG. CO. v. PANGBORN CORP.

Civ. A. No. 4459.

93 F.Supp. 792 (1950)

VAPOR BLAST MFG. CO. et al. v. PANGBORN CORP.

United States District Court D. Maryland.

Judgment Affirmed December 30, 1950.

Attorney(s) appearing for the Case

J. Kemp Bartlett, Jr., of Baltimore, Md., and Howard A. Hartman, S. L. Wheeler and H. William Ihrig, of Milwaukee, Wis., for plaintiffs.

Joseph France, of Baltimore, Md., William F. Hall and Joseph Y. Houghton, of Washington, D. C., and Arthur G. Connolly, of Wilmington, Del., for defendant.

COLEMAN, Chief Judge.

This is a patent suit involving the use of fluid-borne abrasives to finish or polish surfaces of metals, with particular relation to polishing with such accuracy as to produce highly finished surfaces on parts having a very minute tolerance. There is only one patent involved. No. 2,462,480, issued February 22, 1949, to Arthur H. Eppler, on application dated January 8, 1944. While the patent embraces 21 claims, only two, Nos. 15 and 21, are in...

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