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Mosquito Bar Frame.

Description: Patent for a new and improved mosquito-bar frame. This design "relates to improvements in that class of mosquito-bar frames which are adapted to be placed above a bed, so as to support the mosquito-netting in a way to cover the bed and guard the occupants thereof; and the object of [the] invention is to produce an extremely simple frame which may be easily dropped into a horizontal position over the bed or as easily tipped up and made to slide behind the head-board, where it will be entirely ou… more
Date: April 12, 1892
Creator: Holden, Elbridge G.
Partner: UNT Libraries Government Documents Department

Feed Spout Barrier

Description: Patent for "a feel spout barrier for slime thickeners, settling tanks, separating tanks and the like" (lines 8-10) with instructions and illustrations.
Date: April 12, 1921
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Grinding Attachment

Description: Patent for a grinding attachment. This attachment is a grindstone that is turned via the hand-car. Illustrations included.
Date: April 12, 1904
Creator: Brown, Mik
Partner: UNT Libraries Government Documents Department

Automatic Sand Trap

Description: Patent for an automatic sand trap related to automatic devices for separating suspensions into two products and is concerned with the separation of sand from water for dam building and like purposes.
Date: April 12, 1921
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Bed and Cylinder Printing-Machine.

Description: Patent for a new and useful improvements in bed and cylinder printing machines for "operating and controlling the motion of the bed-plate thereof" (line 11 - 13).
Date: April 12, 1898
Creator: Murray, George T.
Partner: UNT Libraries Government Documents Department

Checkrein Attachment

Description: Patent for checkrein attachment. This invention is intended for use with harnessed horses. Illustration included.
Date: April 12, 1904
Creator: Clary, John A.
Partner: UNT Libraries Government Documents Department

Churn.

Description: Patent for a churn with a better support device than previous churns.
Date: April 12, 1910
Creator: Hyland, George Tolifaro
Partner: UNT Libraries Government Documents Department

Carbon-Removing Tool

Description: Patent for a new and improved carbon removing tool, which allows for the removal of carbon from the pistons of internal combustion engines. Includes illustrations.
Date: April 12, 1921
Creator: Slagle, Eugene H.
Partner: UNT Libraries Government Documents Department

Dredge-Pump

Description: Patent for new and useful improvements to Dredge-Pumps. The pump is used to draw up sand and gravel from the bottom of a river.
Date: April 12, 1921
Creator: Stenberg, Anders Gustaf
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for new and useful improvements to the Vehicle-Wheel. Tire may be formed into a disk wheel constructed with nuts, bolts, rivets, and screws to compensate for any regular and irregular pressure stresses a tire may be subjected to on a road. A further improvement is to provide a more resilient disk wheel to have more durability and longer use on the road.
Date: April 12, 1921
Creator: Allan, William N.
Partner: UNT Libraries Government Documents Department

Memorandum-Calendar.

Description: Patent for providing a memorandum calendar pad to be used for 2 consecutive years, that includes a filing wire of which the leaves of the pad can be attached to or detached from the calendar stand, and that will be inexpensive to make and easy to operate.
Date: April 12, 1921
Creator: Schramm, Henry A. & Hawkins, Jackson D.
Partner: UNT Libraries Government Documents Department

Electrically-Controlled Puller For Oil-Well Casings.

Description: Patent for an improved oil well casing puller that has electromagnets that will lock against the inside of the casing and be pulled out of the well. The pulley within the casing can be used accordingly and can also be locked with the casing or released from it.
Date: April 12, 1921
Creator: Dooley, William D.
Partner: UNT Libraries Government Documents Department
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