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6 Matching Results
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Winding-Tool For Bale-Fastenings.
Patent for a new and useful winding tool for bale fastenings.
Date:
August 8, 1899
Creator:
Campbell, Douglas M.
System:
The Portal to Texas History
Vending Machine
Patent for improvements in vending machines.
Date:
August 8, 1911
Creator:
Linck, George E.
System:
The Portal to Texas History
Improvement in Cotton and Hay-Presses.
Patent for improving the cotton and hay press.
Date:
August 8, 1871
Creator:
McGowen, Alexander
System:
The Portal to Texas History
Extension Car-Step.
Patent for a new and useful extension car step for "use on street cars and railway coaches". (line 13 - 15).
Date:
August 8, 1899
Creator:
Wrede, Albin C. & Saunders, David R.
System:
The Portal to Texas History
Method for Converting Higher-Boiling Petroleum Hydrocarbons into Lower-Boiling Petroleum Hydrocarbons
Patent for converting higher-boiling hydrocarbons into naphtha or gasolene with a suitable agent to a temperature not substantially above the end-boiling-point of naphtha.
Date:
August 8, 1916
Creator:
Gray, George William
System:
The Portal to Texas History
Method for Converting Higher-Boiling Petroleum Hydrocarbons into Lower-Boiling Petroleum Hydrocarbons
Patent for novel processes of converting higher-boiling petroleum hydrocarbons of complex molecules into lower-boiling petroleum hydrocarbons of simpler molecules. This converts higher-boiling hydrocarbons into naphtha or gasoline.
Date:
August 8, 1916
Creator:
Gray, George William
System:
The Portal to Texas History