United States Patent Office: 2,022,766 - Chemical Composition, Benjamin R. Harris, Chicago, Ill.

United States Patent Office: 2,022,766 - Chemical Composition, Benjamin R. Harris, Chicago, Ill.

Date: December 3, 1935
Creator: United States Patent Office
Description: Benjamin R. Harris' legal patent from the United States Patent Office, on the chemical compositions he created which are products with hydrophyllic characters and explaining how he forms them.
Contributing Partner: Moody Medical Library, UT
[Letters Patent for Flutter Wheels]

[Letters Patent for Flutter Wheels]

Date: October 24, 1828
Creator: United States. Patent Office.
Description: Letters patent granting rights to James Stewart for an improvement to flutter wheels used to drive gins, mills, and other machinery.
Contributing Partner: UNT Archives