UNT Libraries Government Documents Department - 40 Matching Results

Search Results

Results: 1 - 24 next

Automatic Stop Device for Printing-Presses.

Description: Patent for improvements to safety devices (springs, belt shift levers, guide members, rock shafts) that can be attached to a printing press to create automatic stops. These safety devices can be used to address possible accidents or emergencies by fastening down on a specific section of a printing press.
Date: March 2, 1915
Creator: Brown, John Walter R.
Item Type: Refine your search to only Patent

Bale-Forming Press.

Description: Patent for a new and improved hay bale forming press that compresses hay or other similar material into a bale and secures it with wire or chords that are tied around the bale, including illustrations.
Date: November 2, 1915
Creator: Dudley, Andrew T.
Item Type: Refine your search to only Patent

Improvement for Cotton Chopper

Description: Patent for improvement for cotton choppers “so that the operator may regulate the depth of cut, and may shift the cutting member forward or back” (lines 18-20). Instructions and illustration included.
Date: February 2, 1915
Creator: Finch, Arthur M.
Item Type: Refine your search to only Patent

Plow.

Description: Patent for an improvement to the plow by providing a plastic or plastic-like material to help sticky, thick soil and clay to glide over the surface and decrease frictional resistance, including illustrations.
Date: March 2, 1915
Creator: Fleehearty, Edward L.
Item Type: Refine your search to only Patent

Electric Animal-Prod

Description: Patent for an electric animal prod as a "simple and efficient instrument which may be used for prodding animals without injuring the flesh or hide of the animal" (lines 12-14), including illustrations.
Date: November 2, 1915
Creator: Floyd, William Boyd
Item Type: Refine your search to only Patent

Photographic Copying Apparatus

Description: Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date: February 2, 1915
Creator: Gregory, Oscar T. & Carkhuff, Norman W.
Item Type: Refine your search to only Patent

Roller Boring-Drill

Description: Patent for a roller boring drill in which "the cutting rollers are arranged on the drill in a novel manner." Object of invention is to keep the drill centered in the hole to prevent wobbling.
Date: March 2, 1915
Creator: Hughes, Howard R.
Item Type: Refine your search to only Patent

Improvement to Elevator Signal Systems

Description: Patent for an improvement to an elevator in which “to provide an elevator signal system that will permit a party at any landing to indicate his desire to go up or down to the elevator operator by pressing one of two buttons” (lines 10-15). Instructions and illustration included.
Date: February 2, 1915
Creator: Johnson, Charles S.
Item Type: Refine your search to only Patent

Moldboard for Plows.

Description: Patent for improved design of plow moldboard made from Plaster of Paris which repels sticky soils and is durable for shipping. Includes instructions and illustration.
Date: November 2, 1915
Creator: Miller, Charles K.
Item Type: Refine your search to only Patent
Back to Top of Screen