Patents
Index to Early Louisiana Patents 1810-1890
Information on Historical Patents - University of Maine
Confederate Patents (1861-1864) List of patents issued from the Confederate Patents Office.
Historical Patent & Trademark Databases - PTDLA
Patent Databases - Specialized & Historical - PTDLA
Index to Early Louisiana Patents 1810-1890
Information on Historical Patents - University of Maine
Confederate Patents (1861-1864) List of patents issued from the Confederate Patents Office.
Historical Patent & Trademark Databases - PTDLA
Patent Databases - Specialized & Historical - PTDLA

