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Patent for metal cross ties and rail fasteners. Illustrations included.

Date: September 27, 1904

Creator: Sawyer, Ben S. & Bull, Clarence C.

Partner: UNT Libraries Government Documents Department

Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.

Date: September 27, 1921

Creator: Williams, Nolan S.

Partner: UNT Libraries Government Documents Department