Improvement in Whiffletree-Fastenings. (open access)

Improvement in Whiffletree-Fastenings.

Patent for the improvement of whiffletree fastenings, relating to the means by which single-trees are attached to a double-tree. It includes a description and illustration.
Date: June 11, 1872
Creator: Ahrenbeck, Charles
System: The Portal to Texas History
Improvement in Stalk-Chopper (open access)

Improvement in Stalk-Chopper

Patent for an improvement in corn and cotton stalk-choppers, allowing for the stalks to be turned under by the plow and prevent their interference with the machine.
Date: May 21, 1872
Creator: Richards, Augustus
System: The Portal to Texas History
Improvement in Seed-Planters (open access)

Improvement in Seed-Planters

Patent for an improvement in seed-planters, which allows for adjusting to plant less or more seeds as desired.
Date: May 21, 1872
Creator: Richards, Augustus
System: The Portal to Texas History
Improvement for Axle-Boxes for Vehicles (open access)

Improvement for Axle-Boxes for Vehicles

Patent for an improvement in axle-boxes for vehicles which incorporates an adjustable tube that may take up the wear on its ends.
Date: June 11, 1872
Creator: Ahrenbeck, Charles
System: The Portal to Texas History
Improvement in Axles for Vehicles (open access)

Improvement in Axles for Vehicles

Patent for "an Improvement in Wagon-Axle Skeins" that "has for its object to furnish an improved iron axle for wagons and other vehicles which shall be stronger without being heavier than iron axles made in the ordinary manner."
Date: July 2, 1872
Creator: Ahrenbeck, Charles
System: The Portal to Texas History