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in creator/contributor: "Weir, Robert H."  
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Apparatus for Treatment of Oil Emulsions.

Description: Patent for improvements in apparatus for treatment of oil emulsions by providing a means that will greatly assist in the separation of water from oil emulsions and which will aid the re-absorption or retention of gas.
Date: January 13, 1920
Creator: McKibben, Charles W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Miner's Lamp.

Description: Patent for a miner's lamp with a combustion chamber that allows for the regulation and extinguishing of the flame. It is designed to be lightweight and cheap to manufacture.
Date: July 29, 1913
Creator: Sallander, Carl G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Motor-Cultivator

Description: Patent for an improvement to motor cultivators. It provides the operator a way to manually adjust the depth of the furrow and cultivator blade, including illustrations.
Date: March 6, 1917
Creator: Runge, Friedrich Albert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Telegraph-Repeater

Description: Patent for a telegraph repeater. This invention improves repeaters by eliminating lag by simplifying the apparatus which increases capacity and clarity in transmission by maintaining a larger current strength.
Date: June 24, 1919
Creator: McKibben, Charles W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electromagnetic Ore-Separator.

Description: Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date: February 16, 1909
Creator: Charlton, Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Elastic Bulletin Board

Description: Patent for a general utility bulletin-board. This device applies to various function whereby exists a need for posting bulletins and announcements. The bulletin board is made of elastic material to increase efficiency and serviceability. Illustrations included.
Date: January 15, 1907
Creator: Weeks, Frank W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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