UNT Libraries Government Documents Department - 3 Matching Results

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Cotton-Boll-Cleaning Machine.
Patent for a more practical and compact cotton boll cleaning or ginning machine.
Fuel-Valve Lock for Motor-Cars.
Patent for a fuel shut-off valve for motor cars. The device would prevent fuel from flowing from the tank to the engine with the turn of a key, preventing the vehicle from being stolen.
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).
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