UNT Libraries Government Documents Department - 4 Matching Results

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Device for Elevating Wagon-Bodies.

Patent for a pulley system for elevating wagons off the ground and "keeping them suspended under the roof of a barn or other roofed structure while not in use" (lines 19-21), including instructions and illustrations.

Date: March 30, 1880

Creator: Booker, David

Item Type: Patent

Plow Attachment.

Patent for a plow attachment for turning the subsoil while the main plow opens the furrow that can be adjusted to any depth desired and attached to all types of plows.

Date: April 30, 1907

Creator: Tunnell, Wilson B.

Item Type: Patent

Poultry-Crate.

Patent for an improved version of the Poultry-Crate, including illustrations. This version was designed with efficiency in mind, devised to be an inexpensive and highly portable invention.

Date: August 30, 1921

Creator: Tucker, William

Item Type: Patent

Railway Switch

Patent for a railway switch. Illustration included.

Date: December 30, 1904

Creator: Riley, George Marshall

Item Type: Patent

UNT Libraries Government Documents Department - 4 Matching Results

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Device for Elevating Wagon-Bodies.

Plow Attachment.

Poultry-Crate.

Railway Switch