WRAP-ON COMPANY, INC., APPELLANT, v. W.R. GRACE CO., APPELLEE. Patent Appeal No. 8821.United States Court of Customs and Patent Appeals. January 11, 1973. Jerome Gilson, Richard H. Compere, Chicago, Ill., attys. of record, for appellant. Hume, Clement, Hume Lee, Ltd., Chicago, Ill., of counsel. Kenneth E. Prince, Charles, L. Harness, Clarksville, Md., attys. of record, […]