Access
Resource Type
Counties
Month
Language
58 Matching Results
Results open in a new window/tab.
prev
Results:
49 - 58 of
58
Combined Door-Bell and Mail-Receiver
Patent for a combined door-bell and mail-receiver "devices for receiving and holding mail" (lines 9-10).
Date:
September 21, 1915
Creator:
McDonald, James A.
System:
The Portal to Texas History
Bag-Turner
Patent for "a machine which will perform the whole act of turning a sack" (lines 11-12), including illustrations.
Date:
September 28, 1915
Creator:
Hirschfeld, Ike
System:
The Portal to Texas History
Hot and Cold Cotton Seed Cake Cutter
Patent for Hot and Cold Cotton Seed Cake Cutter
Date:
September 5, 1916
Creator:
Helm, Clyde D.
System:
The Portal to Texas History
Composition of Matter for the Welding and Soldering of Articles Constructed of Aluminum.
Patent for composition of aluminum, lead, block tin and zinc to be used for "welding and soldering articles constructed of aluminum" (line 95).
Date:
September 11, 1917
Creator:
Wells, Clarance Charles
System:
The Portal to Texas History
Improvements for Apparatus for Sealing Pipe-Joints
Patent for apparatus for sealing pipe-joints. Improvements and unique changes are explained in the text of the patent submission, accompanied by diagrams of the patent.
Date:
September 18, 1917
Creator:
Woodward, Edwin C
System:
The Portal to Texas History
Device for Cleaning Wells
Patent for improving the efficiency of oil wells.
Date:
September 2, 1919
Creator:
Sargent, Lemuel S.
System:
The Portal to Texas History
Hairpin
Patent for preventing "the accidental displacement of the dislodgment of the pin from the hair of the wearer." (Lines 11-12).
Date:
September 11, 1919
Creator:
Nalle, Charles R. of Forth Worth, TX
System:
The Portal to Texas History
Gas-Purifier
Patent for a device that separates impurities and contaminants from gas used in generators. A series of filters, and baffles are used to extract impurities to the gas supplied to a generator.
Date:
September 16, 1919
Creator:
Modlin, Frank E.
System:
The Portal to Texas History
Apparatus For Protecting And Preserving Poles And The Like
Patent for add-on device to shield existing electric posts and poles from decay over time and weather damage.
Date:
September 21, 1920
Creator:
Lewis, Thomas E.
System:
The Portal to Texas History
Detachable Inside Door-Lock.
Patent for a detachable inside door-lock. This is a simple locking device that can be applied and removed from any type of door. The purpose is to make a room private and burglar proof.
Date:
September 6, 1921
Creator:
Arledge, Elbert H.
System:
The Portal to Texas History