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7 Matching Results
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Automatic Trailing Device
Patent for an automatic trailing device. This device is made to "successfully follow the tracks of the front vehicle without the use of a driver on the vehicle in tow" (lines 14-17).
Date:
February 24, 1920
Creator:
Sloan, Charles Lee
System:
The Portal to Texas History
Nut-Lock
Patent for a nut lock that can be easily applied and detached from a bolt. Will lock screws in place to avoid accidental rotation of the bolt and is less expensive to make.
Date:
February 16, 1915
Creator:
Boren, W. E.
System:
The Portal to Texas History
Tie Wire for Insulators
Patent for device that attaches wire to electric devices, without employing the use of tie wires.
Date:
February 6, 1917
Creator:
Boyter, Robert L.
System:
The Portal to Texas History
Watering Trough
Patent for livestock water trough that has a removable cover to prevent detritus from getting into the water.
Date:
February 20, 1917
Creator:
Scott, Charles F.
System:
The Portal to Texas History
Rail Joint
Patent for stronger design of rail joints for laying train tracks. Includes illustrations and instructions.
Date:
February 15, 1916
Creator:
Stephenson, William A.
System:
The Portal to Texas History
Spectacles
Patent for spectacles. Illustration included.
Date:
February 21, 1905
Creator:
Trulove, James William
System:
The Portal to Texas History
Safety-Clamp for Spectacle-Cases &c.
Patent for a safety clamp for spectacle cases and other small items, which holds the item in clothes pockets through the attachment of a clamp.
Date:
February 1, 1910
Creator:
Trulove, James W.
System:
The Portal to Texas History