Combined Pencil Holder and Sharpener. (open access)

Combined Pencil Holder and Sharpener.

Patent for a combined pencil holder and sharpener, which uses the sharpener as a pencil cap.
Date: November 30, 1909
Creator: Haase, Conrad H.
System: The Portal to Texas History
Domestic Boiler. (open access)

Domestic Boiler.

Patent for a boiler for boiling milk and other liquids prone to boiling over, which prevents the overflow of liquid from the boiler.
Date: October 8, 1907
Creator: Rahm, Phillip
System: The Portal to Texas History
Illuminated Sign and Operating Means Therefor (open access)

Illuminated Sign and Operating Means Therefor

Patent for an illuminated sign and how to operating means. Illustration included.
Date: October 30, 1906
Creator: Dunkle, George Harvey
System: The Portal to Texas History
Process of Refining Asphaltic Mineral Oils. (open access)

Process of Refining Asphaltic Mineral Oils.

Patent for process for refining asphaltic mineral oils such as might be found in wells in Texas and Louisiana. Designed to remove asphaltum.
Date: November 11, 1902
Creator: Mims, John Carwile
System: The Portal to Texas History
Process of Making Artificial Fuel (open access)

Process of Making Artificial Fuel

Patent for process of creating artificial fuel and the resulting product.
Date: March 11, 1902
Creator: Steiner, Robert
System: The Portal to Texas History
Process of Refining Crude Mineral Oils and their Distillates. (open access)

Process of Refining Crude Mineral Oils and their Distillates.

Patent for a process for the purification of crude oils using a variety of chemical processes.
Date: September 24, 1901
Creator: Thiele, Felix C.
System: The Portal to Texas History
Railway-Ticket, &c. (open access)

Railway-Ticket, &c.

Patent "to furnish for railway-companies a form of excursion-ticket whose return portion or stop-over portion, as the case may be, is not capable of successful use by scalpers" (lines 11-15).
Date: July 9, 1901
Creator: Smith, Lowndes G.
System: The Portal to Texas History