UNT Libraries Government Documents Department - 3 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

Item Type: Patent

Cotton-Boll-Cleaning Machine.

Patent for a more practical and compact cotton boll cleaning or ginning machine.

Date: September 7, 1920

Creator: Lokey, Allen T.

Item Type: Patent

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.

Date: March 15, 1921

Creator: McQueen, Roy O. & Batson, Joseph A.

Item Type: Patent

UNT Libraries Government Documents Department - 3 Matching Results

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Automatic Trailing Device

Cotton-Boll-Cleaning Machine.

Fuel-Valve Lock for Motor-Cars.