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Improvements in Automatic Advertising Devices
Patent for an automatic advertising device that can show various signs or display cards and provides "an endless belt of transparent material which is differently colored" (lines 12-15) so that the sign may be "artistically changed" (lines 17-18). Includes instructions and illustrations.
Date:
March 5, 1912
Creator:
Murphey, William A.
Object Type:
Patent
System:
The Portal to Texas History
Furniture Appliance.
Patent for a piece of furniture that contains a retractable length of carpet material, intended for use in shoe stores to allow trial of the products without causing damage to the soles. Includes instructions and illustrations.
Date:
March 5, 1912
Creator:
Tudor, John H.
Object Type:
Patent
System:
The Portal to Texas History
Archaeological Survey Along Portions of the Proposed Grand Prairie Thirty-Inch Water Pipeline Route, Dallas and Tarrant Counties, Texas
An archaeological survey report of the proposed Grand Prairie water pipeline route in Dallas and Tarrant Counties, Texas, performed to determine whether any historic resources were located on the proposed construction sites.
Date:
March 5, 2007
Creator:
Todd, Jesse
Object Type:
Report
System:
The Portal to Texas History
Catch.
Patent for an improved catch (latch) to hold open gates that will "prevent a rebound of the gate" (lines 20) and is "simpler, less expensive, and otherwise more convenient" (lines 29-30) to manufacture and use.
Date:
March 5, 1918
Creator:
Borah, Dee.
Object Type:
Patent
System:
The Portal to Texas History
Line-Type-Casting Machine
Patent for a line type casting machine that focuses on improvements to the pot charging device and uses a type of float mechanism (as opposed to a thermostat) including instructions and illustrations.
Date:
March 5, 1918
Creator:
Wilmans, Lloyd I.
Object Type:
Patent
System:
The Portal to Texas History