Resource Type
Counties
5 Matching Results
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Apparatus for Preserving Wooden Poles
Patent for an apparatus for preserving treated wooden poles. Illustrations included.
Date:
April 26, 1910
Creator:
Logan, John T.
System:
The Portal to Texas History
Separator.
Patent for separator to be used with a plow in removing undesirable materials from dirt.
Date:
April 10, 1917
Creator:
Crowson, Jonas H.
System:
The Portal to Texas History
Rock-Drill.
Patent for a composite rock drill composed of granular metal or minerals held together in a binder to present sharp points for the efficient drilling of rock and other substances.
Date:
April 1, 1913
Creator:
Blackburn, Julian E.
System:
The Portal to Texas History
Shock-Absorber.
Patent for shock absorbers that are simple and can be readily used on vehicles to prevent the sudden rebounding of springs.
Date:
April 18, 1916
Creator:
Crowson, Jonas Henry
System:
The Portal to Texas History
Septic Tank
Patent for Septic Tank for sewage disposal. This patent improves previous models, due to its easily instillation.
Date:
April 8, 1913
Creator:
Payne, George Ralph & Moore, Stewart
System:
The Portal to Texas History