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Automatic Turntable
Patent for “a turn table of simple and durable structure adapted to be placed in the floor of a small garage or at other points, and which will automatically operate when an automobile is run upon the same to effect the complete turning of the automobile machine in order that the machine may enter the garage while traveling a forward direction and leave the garage in a similar manner” (lines 17-25). Includes illustrations.
Date:
February 1, 1921
Creator:
Sanders, Edwin J. & Morrison, John W.
System:
The Portal to Texas History
Can Opener
Patent for a portable can opener capable of conveniently being carried on a key ring or attached to a tin or other container and sold with the tin as a part thereof. The can opener may be used repeatedly and employed with equally good results for opening either the side or top of a can.
Date:
February 1, 1921
Creator:
Kirkland, David K.
System:
The Portal to Texas History
Well Screen.
Patent for a well screen device. The device can keep particulates out of the well water while also restricting water to flow into the well without being released back into the soil.
Date:
February 1, 1921
Creator:
McLean, Marrs
System:
The Portal to Texas History
Building-Block.
Patent for building block that is easily formed or molded. The building block forms tiers to easy move around and modify.
Date:
February 1, 1921
Creator:
Pace, Vara L.
System:
The Portal to Texas History
Trap.
Patent for animal trap especially designed for trapping rats, mice, minks and other small animals. This animal trap has a pair of pivoted doors arranged on the opposite sides of a baiting standard, which is also vertically adjustable. The purpose of this trap is to drown the animals that have become entrapped.
Date:
February 1, 1921
Creator:
Wigington, William L.
System:
The Portal to Texas History
Perpetual Calendar.
Patent for the improvement of calendars to create easier-to-read and quicker-to-adjust. These calendars were to be able to be used no matter the month or year and would always be accurate.
Date:
February 1, 1921
Creator:
Jones, L. Walter
System:
The Portal to Texas History
Cultivator Attachment.
Patent for an attachment for the cutting of weeds and soil moving. It is designed to be attached to any cultivator or plow beam either singly or duplicated.
Date:
February 1, 1921
Creator:
Turner, Edwin E.
System:
The Portal to Texas History