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6 Matching Results
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Cattle-Guard.
Patent for a cattle guard, which is made up of a wedge shaped piece of metal that allows a cows leg to be caught rather than the foot to allow easier removal of the leg by the cow.
Date:
August 31, 1909
Creator:
Mosher, Benjamin E.
System:
The Portal to Texas History
Nut-Lock.
Patent for a combined nut lock and washer for use on railroad track joints.
Date:
August 3, 1909
Creator:
Garner, William R.
System:
The Portal to Texas History
Nut Lock
Patent for a nut lock. Illustration included.
Date:
August 10, 1909
Creator:
Garner, William Robert
System:
The Portal to Texas History
Nut-Lock.
Patent for a nut lock for railroad joints, which includes spring washers.
Date:
August 3, 1909
Creator:
Garner, William R.
System:
The Portal to Texas History
Electrical Trolley-Replacer.
Patent for an electric trolley replacer, which automatically replaces the trolley on the wheel.
Date:
February 9, 1909
Creator:
Sparks, Hubert Lorenzo
System:
The Portal to Texas History
Oil-Burner.
Patent for an oil burner, which atomizes oil through the injection of steam that helps the oil to burn more easily.
Date:
October 19, 1909
Creator:
Milton, John Foy
System:
The Portal to Texas History