Scaffold (open access)

Scaffold

Patent for scaffold. This scaffold is designed to be carried on toggles allowing it to raise and lower.
Date: November 14, 1902
Creator: Cheves, Merrell Autry
System: The Portal to Texas History
Hoe. (open access)

Hoe.

Patent for a new and improved garden hoe used for weeding purposes. The improvement is related to, "...the handle of the implement being hollow" (lines 11-12) and able to receive a quantity of seed, and a mechanism that controls the delivery of seed to the hoe.
Date: May 6, 1913
Creator: Etheridge, John B.
System: The Portal to Texas History
Air-Brake (open access)

Air-Brake

Patent for an air brake for trains that reduces jerking when the brakes are applied.
Date: February 6, 1912
Creator: Mead, William E.
System: The Portal to Texas History
Nut Lock. (open access)

Nut Lock.

Patent for a new and improved nut-lock. This design "is to produce a nut-lock which will require a minimum number of parts to adjust, will require no other tools than a wrench, which will stay where adjusted in spite of any amount of pounding or concussion, and which, when desired, may be removed without difficulty. To this end [the] invention consists in a nut provided with a serrated face and a washer having sharp spring-lips engaging with the serrations. [The] invention also consists in a peculiarly-constructed washer for locking the nut" (lines 18-30).
Date: December 6, 1887
Creator: Parks, John W.
System: The Portal to Texas History
Shipping-Basket (open access)

Shipping-Basket

Patent for a shipping basket designed to keep contents secure and undamaged.
Date: September 6, 1921
Creator: Pitts, William L.
System: The Portal to Texas History
Electric Light Switch. (open access)

Electric Light Switch.

Patent for an improved electric switch that is used to energize electric lights for various purposes and for use in connection with a signaling system. This switch will permit the energization of any one of the lights separately or all lights simultaneously.
Date: April 6, 1920
Creator: Riggs, Fletcher S.
System: The Portal to Texas History
Switch. (open access)

Switch.

Patent for an electric switch that is used in conjunction with a signaling device that allows for lights to be activated synchronously or asynchronously via the use of two levers.
Date: September 6, 1921
Creator: Riggs, Fletcher S.
System: The Portal to Texas History