Building Structure (open access)

Building Structure

Patent for building frame structures with interlocking timbers that allows for easy movement of the timbers to provide ventilation when needed.
Date: February 19, 1907
Creator: Yoakum, Robert
System: The Portal to Texas History
Well-Screen (open access)

Well-Screen

Patent for a well-screen which is used in oil or water wells for screening out sand from the inflowing fluids
Date: February 19, 1918
Creator: Rodrigo, Henry, Sr.
System: The Portal to Texas History
Process of Tanning Hides and Skins (open access)

Process of Tanning Hides and Skins

Patent for rendering the process of tanning hides and skins "more expeditious and considerably cheaper &c., &c." (lines 12-13)
Date: February 19, 1918
Creator: Hall, Lewis T. & Tuttle, Frank
System: The Portal to Texas History