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Patent for lubricating packing, which lasts a long time under high pressure.

Date: June 8, 1909

Creator: Stewart, Martin L. & Carr, Frank A.

Partner: UNT Libraries Government Documents Department

Patent for a package tie. Illustrations included.

Date: June 22, 1909

Creator: Greenwood, Bluford Preston

Partner: UNT Libraries Government Documents Department

Patent for a head rest support for placing a barbers chair head rest on while it is not in use.

Date: June 1, 1909

Creator: Wilkins, Willis A.

Partner: UNT Libraries Government Documents Department

Patent for a filtering machine which operates centrifugally to filter out solid matter from liquids. Illustrations included.

Date: June 22, 1909

Creator: Wilder, Richardson Timothy

Partner: UNT Libraries Government Documents Department

Patent for a cleaning apparatus, which cleans objects by blasting air across them and has an air cleaning system for use after the cleaning is done.

Date: June 1, 1909

Creator: Mayo, William C. & Houlehan, John

Partner: UNT Libraries Government Documents Department