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6 Matching Results
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6
Collapsible Box.
Patent for collapsible box which uses hinges to strengthen the box and to allow the box to be collapsed easily for easy storage.
Date:
April 20, 1915
Creator:
Smith, James A.
Object Type:
Patent
System:
The Portal to Texas History
Occurrence, Availability and Chemical Quality of Ground Water in the Cretaceous Aquifers of North-Central Texas: Volume 1
Report on the quality and availability of ground water in the cretaceous aquifers of north-central Texas. Includes maps, hydrographs, rainfall data, pumpage, and more.
Date:
April 1982
Creator:
Nordstrom, Phillip L.
Object Type:
Report
System:
The Portal to Texas History
Lamp Bracket
Patent for a lamp bracket. Illustration included.
Date:
April 18, 1905
Creator:
Holder, William J. & Corry, J. F.
Object Type:
Patent
System:
The Portal to Texas History
Punch.
Patent for a punch for "removing broken rivets from buggy-bow sockets" (lines 16, 17) that can be operated by one person.
Date:
April 16, 1907
Creator:
Stedham, William H. & Miller, John N.
Object Type:
Patent
System:
The Portal to Texas History
Plow.
Patent for a new and improved plow. This design consists in "[t]he combination, with a plow-beam, of a plow-standard pivotally secured to the rear end of said beam, a brace pivotally secured to the standard, and a sliding clamp for securing the front end of the brace to the beam" (lines 90-94).
Date:
April 13, 1886
Creator:
Ketchum, Joel Thomas
Object Type:
Patent
System:
The Portal to Texas History
Railroad Signal
Patent for a railroad signal. This invention is an improvement for signalling by the trains interaction on the rails. Illustration included.
Date:
April 30, 1907
Creator:
Harvey, Albert Wadkins
Object Type:
Patent
System:
The Portal to Texas History