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Portable Steam Engine

Description: Patent for a Portable Seam Engine
Date: August 24, 1880
Creator: Kriebel, Hosea K.
Partner: UNT Libraries Government Documents Department

Paper Bag Machine.

Description: Patent for an improved paper bag machine, which rapidly converts continuously moving paper into bags.
Date: December 24, 1901
Creator: Tyson, F.
Partner: UNT Libraries Government Documents Department

Utilization of Aluminum-Chlorid Residues.

Description: Patent for "new and useful Improvements in the Utilization of Aluminum Chlorid Residues" (lines 6-7) including instructions and illustrations.
Date: February 24, 1920
Creator: Abbott, Lyle Stockton
Partner: UNT Libraries Government Documents Department
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