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7 Matching Results
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Animal-Trap
Patent for a foot trap for catching animals known for their furs that will prevent the animal from gnawing the trap or his foot off.
Date:
May 9, 1911
Creator:
Roberson, Elige L.
System:
The Portal to Texas History
Automatic Time-Check for Oil-Presses and Other Machines
Patent for a device that records the time in which a machine is in operation and in which it is idle to check the efficiency of the workmen and the work plant as a whole.
Date:
May 11, 1915
Creator:
Bell, Thomas
System:
The Portal to Texas History
Combination Lock and Jack.
Patent for a combination lock and jack to prevent automobile theft. The jack locks the operating levers of an automobile to prevent them from moving, and the lock prevents its removal. The jack can also be detached and collapse for easy storage.
Date:
May 5, 1919
Creator:
Brittain, William Franklin
System:
The Portal to Texas History
Cotton-Boll Picker
Patent for an improvement to cotton ball harvesters.
Date:
May 11, 1915
Creator:
Hewitt, Daniel
System:
The Portal to Texas History
Fender.
Patent for a device "to be secured to the prow of a ship or vessel and which projects forwardly therefrom for the purpose of protecting the vessel against injury from a collision" (lines 13-16) including instructions and illustrations.
Date:
May 4, 1915
Creator:
Barton, Charles H.
System:
The Portal to Texas History
Nutcracker.
Patent for a nut cracking device.
Date:
May 13, 1913
Creator:
Gradick, Wiley N.
System:
The Portal to Texas History
Type-Writer Line-Shift.
Patent for line shifter attachment for typewriter which makes it possible for the typewriter to print characters above or below the standard line of print. This attachment makes the typewriter useful for taking stenographic notes.
Date:
May 30, 1916
Creator:
Byrne, Henry E.
System:
The Portal to Texas History