Click on the Patent Number to see a representative patent drawing.

Patent numberINVENTORS NAMESAssigneesTitlePlace Date
Unmb.1832jHorton, Howard Antispasmodic tincture medicine Columbus, OHAug. 25, 1832
Unmb.1832vHorton, Howard Astringent tonic Columbus, OHAug. 25, 1832
Unmb.1832yHorton, Howard Bitter tonic Columbus, OHAug. 25, 1832
Unmb.1832zHorton, Howard Compound tincture of myrrh Columbus, OHAug. 25, 1832



If you would like to examine early patents from other locations try these links:

Index to Early Louisiana Patents

Victorian Patents and Patentees Australian Patents.

Women Inventors 1790-1895

Wyoming Inventors Database


Susan E. Hocker, Miami University Libraries.
If you find errors or problems please send email to shocker@muohio.edu