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Trace-fastener
Patent for a trace-fastener "which will admit of the trace being readily applied to the singletree and quickly and easily detached therefrom and which will prevent displacement of the trace when in position" (lines 13-17) including instructions and illustrations.
Date:
September 3, 1901
Creator:
Johnson, John C.
System:
The Portal to Texas History
Planter.
Patent for a planter meant for planting corn and cotton seeds, although it can be used for distributing seed and fertilizer in general. It doesn't need a covering-shovel or supporting-wheels, and covers the seeds through adjustable covering-disks. The seeding mechanisms are operated by shafts on which the disks are mounted.
Date:
September 3, 1895
Creator:
Schofield, James Drommond
System:
The Portal to Texas History
Electric Alarm.
Patent for a simple and efficient electric alarm to be used for vault protection. It is a magnet, which is a better design than a coil. The magnet is suspended between two points, and a spring that pushes it in one direction. There is an armature that causes friction when it slides, and sounds an alarm when the arm moves in one direction.
Date:
September 3, 1895
Creator:
Hull, William S.
System:
The Portal to Texas History