Cleaning Apparatus. (open access)

Cleaning Apparatus.

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
System: The Portal to Texas History
Lubricating-Packing. (open access)

Lubricating-Packing.

Patent for lubricating packing, which lasts a long time under high pressure.
Date: June 8, 1909
Creator: Stewart, Martin L. & Carr, Frank A.
System: The Portal to Texas History
Letter-Tying Device (open access)

Letter-Tying Device

Patent for a package tie. Illustrations included.
Date: June 22, 1909
Creator: Greenwood, Bluford Preston
System: The Portal to Texas History
Filtering-Machine (open access)

Filtering-Machine

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
System: The Portal to Texas History
Head-Rest Support. (open access)

Head-Rest Support.

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.
System: The Portal to Texas History