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Well Tube

Description: Patent for a well tube. "This invention relates to well pumps and particularly to a suction attachment for use in conjunction with the strainers of pumps of that character wherein a piston is operatively arranged within an outflow pipe" (line 8-12). Illustration included.
Date: March 5, 1907
Creator: Medlock, Augustus Lafayette
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pencil-Holder.

Description: Patent for a new pencil-holder that is "a light, efficient and convenient pencil-holder capable of reliably securing the pencil to which it is attached within the pocket, thereby holding the same in readiness for use." (Lines 14-17) Illustration included.
Date: May 8, 1900
Creator: Hogg, George, Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pencil-Holder.

Description: Patent for a device to secure a pencil within the breast-pocket, including description and illustrations.
Date: October 22, 1901
Creator: Hogg, George, Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Double-Acting Cylinder-Pump.

Description: Patent for improvements in double-acting cylinder-pumps by making “the cages and check-valves detachable from the piston-cylinder without removing or disturbing either the casing or piston-cylinder and can be replaced in the same manner.” (Lines 18-22) Illustration in included.
Date: April 22, 1902
Creator: Arnold, Henry B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Cut-Off for Cisterns

Description: Patent for a automatic cutoff for cisterns which prevents the first muddy water coming down a rain spout from going into the cistern by sending it into a separate waste pipe.
Date: March 9, 1909
Creator: Estes, Robert Ephriam
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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