Grace, H. W. (1971). A handbook on patents / by H.W. Grace. Knight.
Chicago Edition CitationGrace, H. W. A Handbook on Patents / by H.W. Grace. Knight, 1971.
MLA Edition CitationGrace, H. W. A Handbook on Patents / by H.W. Grace. Knight, 1971.
Warning: These citations may not always be 100% accurate.