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

Patent numberINVENTORS NAMESAssigneesTitlePlace Date
X4552Foss, Cotton Bark mill Madison, OHOct. 25, 1826
X4507Foss, Cotton Application of steam to blast furnaces Madison Township, OHAug. 2, 1826
X5505Foss, Cotton Churn Perry, OHJun. 11, 1829
X7193Foss, Cotton Spiral pump Perry, OHAug. 4, 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