http://www.rssboard.org/rss-specification 720 XTF Search Results (subject=Patents;subject-join=exact;smode=simple;brand=default) http://catalog.wrhs.org/collections/search?subject%3DPatents;subject-join%3Dexact;smode%3Dsimple;brand%3Ddefault Results for your query: subject=Patents;subject-join=exact;smode=simple;brand=default Thu, 01 Jan 1970 12:00:00 GMT The growth of industrial art. United States Patent Office., Butterworth, Benjamin, 1837-1898, United States 52d Congress, 2d session, 1892-1893. House. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Hints to inventors, concerning procuring of patents, either American or foreign, with suggestions and valuable information to patentees. Munn & Co. (New York, N.Y.) http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Report of the Commissioner of Patents for the year 1855. Agriculture. United States Patent Office., United States Congress House.(34th, 1st session : 1856). http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Rural America a century ago. United States Patent Office., Rosenberg, Samuel H., Butterworth, Benjamin, 1837-1898 http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT The soldier's, settler's and inventor's guide. Preston, William E. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT