UNT Libraries Government Documents Department - 6 Matching Results

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Window-Curtain.

Description: Patent for improvements in curtain-fixtures in which it can be “readily applied to a window and capable of enabling its brackets to be readily adjusted to suite a curtain-roller.” (Lines 11-13) It also can prevent the curtain-roller becoming accidentally disengaged from the bracket by reason of one bracket being slightly higher than the other. (Lines 15-17) Illustration is included.
Date: June 30, 1891
Creator: Mendenhall, John W.
Item Type: Refine your search to only Patent

Riveting-Machine.

Description: Patent for improvements in "which rivets may be rapidly set in the material to be riveted, the rivet being driven and headed at the same operatio and without first punching holes in the material to be riveted." (Lines 15-19) Illustration is included.
Date: June 30, 1891
Creator: Carl, Reinhold A.
Item Type: Refine your search to only Patent

Grindstone Attachment.

Description: Patent for improvements in grindstone attachments by providing a tool-holder that is capable of adapt to different-sized stones and for various tools when applied to the frame of a grindstone of a given size.” (Lines 13-16) Illustration is included.
Date: June 30, 1891
Creator: Rainey, John Calvin
Item Type: Refine your search to only Patent

Piano-Action.

Description: Patent for a new and useful piano-action in which the so-called hammers is "pivotally connecting the hammers to the rail by a specific means." (Lines 11-12) Illustration is included.
Date: June 30, 1891
Creator: Norcross, Levi W.
Item Type: Refine your search to only Patent

Rotary Plow.

Description: Patent for improvements in rotary plows which can be used as a subsoil-plow or it can be converted into a cultivator. The “purpose is to provide a novel gang-plow capable of cutting the soil at different depths, as circumstances may require, and in which the angle at which the plows enter the soil may be varied.” (Lines 18-23) Illustration is included.
Date: June 30, 1891
Creator: Cleveland, George P.
Item Type: Refine your search to only Patent

Gang-Plow.

Description: Patent for improvements in gang-plows in which the “disks” would contain a flared annulus and, it is formed by the truncation of a conical shell of large base and small altitude. This disk-plow “will penetrate the soil to the desired depth by its own natural draft with the minimum degree of friction and outlay of force.” (Lines 21-23) Illustration is included.
Date: June 30, 1891
Creator: Cleveland, George P.
Item Type: Refine your search to only Patent
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