Resource Type
Counties
5 Matching Results
Results open in a new window/tab.
Results:
1 - 5 of
5
Process For The Reduction Of Iron And Lead Ores.
Patent for a process that reduces iron and lead ores. This is done through two distinct combustion processes, the first of which converts the fuel and oxygen into carbon dioxide and the second process which produces carbon monoxide, that can produce iron or steel of different grades.
Date:
June 14, 1921
Creator:
Anderson, Robert J.
System:
The Portal to Texas History
Locking Device for Motor-Vehicles.
Patent for a simple, inexpensive locking mechanism that would prevent an automobile from being used in an unauthorized way, while still allowing the vehicle to be manually moved or towed if needed, including illustrations.
Date:
June 21, 1921
Creator:
Harris, Robert E.
System:
The Portal to Texas History
Foldable Hacksaw.
Patent for a foldable hacksaw, including illustrations. The foldable hacksaw is "of rigid construction, at the same time being foldable...so that it may be readily carried in the pocket" (lines 13-16).
Date:
June 7, 1921
Creator:
Barner, Lawrence Dunston
System:
The Portal to Texas History
Locking Device for Motor-Vehicles.
Patent for locking devices for Ford automobiles and trucks, which have a particular steering and control mechanism. The purpose is to provide a locking device, particularly well adapted to Ford automobiles and trucks, to limit the movement of the steering wheel and prevent the movement of the throttle lever from a closed position.
Date:
June 21, 1921
Creator:
Harris, Robert E.
System:
The Portal to Texas History
Container
Patent for container of heavy fluids and greases able to expel the contents through an opening. This is intended to replace ordinary salve jars, which do not protect contents from contaminants.
Date:
June 14, 1921
Creator:
Bronson, Arthur S.
System:
The Portal to Texas History