Adjustable Handle-Bar for Bicycles. (open access)

Adjustable Handle-Bar for Bicycles.

Patent for adjustable handle bar for bicycles, including illustrations.
Date: June 29, 1897
Creator: Winfrey, Edgar, M.
System: The Portal to Texas History
Calk Attachment For Horseshoes (open access)

Calk Attachment For Horseshoes

Patent for new and useful improvements in calk attachments for horseshoes. The objective is to provide detachable means applicable to the conventional types of shoe without any modifications.
Date: March 29, 1921
Creator: Douglas, John Davies
System: The Portal to Texas History
Casing-Pulling Apparatus. (open access)

Casing-Pulling Apparatus.

Patent for an apparatus to more easily and more economically remove well-casings from the ground when an oil well is no longer in use.
Date: November 29, 1921
Creator: Wilson, John Hart
System: The Portal to Texas History
Locomotive Brake-Shoe (open access)

Locomotive Brake-Shoe

Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date: May 29, 1917
Creator: Christensen, Jacob V. C. T.
System: The Portal to Texas History
Table Attachment for Beds. (open access)

Table Attachment for Beds.

"Patent for beds and is particularly designed as an improvement on the attachment covered." (lines 10).
Date: February 29, 1916
Creator: Thorniley, Clarence W.
System: The Portal to Texas History
Engine Control (open access)

Engine Control

Patent for a car part that goes on the engine to help control fuel supply, and to keep engine parts from burning up.
Date: May 29, 1915
Creator: Craddock, L. J.
System: The Portal to Texas History
Screw-Driver (open access)

Screw-Driver

Patent for a screwdriver. Illustrations included.
Date: December 29, 1908
Creator: Winfrey, Edgar M. & Lilins, Thomas W.
System: The Portal to Texas History
Cotton-Threshing Machine. (open access)

Cotton-Threshing Machine.

Patent for a cotton threshing machine with wheels designed to be constructed in the cotton field and easily moved to different parts of the field.
Date: May 29, 1917
Creator: Patterson, Warren A.
System: The Portal to Texas History