UNT Libraries Government Documents Department - 14 Matching Results

Search Results

Results: 1 - 14

Boll-Weevil Device.

Description: Patent for a cost-effective device that can remove and exterminate parasites from cotton as it's being harvested without damaging the cotton itself, including illustrations.
Date: December 28, 1920
Creator: Reeder, Leonard F. & Jackson, Walter B.
Item Type: Refine your search to only Patent

Cotton-Chopper.

Description: Patent for agricultural machines to "permit the chopper to pass predetermined plants during the operation of the machine through a planted field." (lines 13-16)
Date: June 15, 1920
Creator: Hart, Granville M. & Wall, James Edgar
Item Type: Refine your search to only Patent

Cotton-Picking Machine.

Description: Patent for a cotton-picking machine that arranges the picking elements at different elevations and spaces them apart "so that while several plants will be picked at the same time, only one portion of a plant will be worked on at a time," (lines 14-17), minimizing disturbance of the plant.
Date: June 28, 1921
Creator: Becknell, George T.
Item Type: Refine your search to only Patent

Dallas Sheet

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1927
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.75 -96.75

Dental Impression-Tray.

Description: Patent for improvements in dental impression trays that is adaptable for when there is only one or a partial set of teeth. There is a separate, smaller dental impression tray that is easily accessible and can be adapted to take impressions of one tooth or partial teeth.
Date: August 31, 1920
Creator: Littlejohn, Thomas F.
Item Type: Refine your search to only Patent

Frisco Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500
Date: 1929
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 33.12 -96.88

Fuse Block

Description: Patent for improvements to Patent No. 1113528. Invention provides a fuse block where the fuses can be replaced by a lineman without being in close proximity to the primary circuit wires. Invention also allows various types of fuses to be used.
Date: May 3, 1921
Creator: Anderson, Lou Belle
Item Type: Refine your search to only Patent

McKinney Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500
Date: 1929
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 33.12 -96.62

Oil Burner.

Description: Patent for oil burner improvements, including economic and easily handle to control the pressure to control the oil and steam within the burner head.
Date: April 19, 1921
Creator: Obenshain, Kyle Derias
Item Type: Refine your search to only Patent
Back to Top of Screen