Access
Collection
Counties
Day
Language
7 Matching Results
Results open in a new window/tab.
Results:
1 - 7 of
7
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.
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
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.
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
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.
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.
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