Egg-Preserving Compound. (open access)

Egg-Preserving Compound.

Patent for a compound of cotton-seed oil, beeswax, paraffin, and salicylic acid that was meant to preserve eggs by sealing their pores.
Date: March 4, 1902
Creator: Stukes, John Marion
System: The Portal to Texas History
Section-Harrow. (open access)

Section-Harrow.

Patent for "a section harrow that may be readily attached to an ordinary planter, cultivator or other farm implement, and which will include a considerable number of harrow sections, alined transversely of the direction of travel, so that the implement will be adapted to harrow a field in a comparatively short time" (lines 11-18) including instructions and illustrations.
Date: May 4, 1915
Creator: Harlin, Harry W.
System: The Portal to Texas History
Antislipping Device for Tires (open access)

Antislipping Device for Tires

Patent for a device intended to decrease slippage of vehicle tires on roads that are either damaged or otherwise hard to navigate due to weather conditions.
Date: September 4, 1919
Creator: Edwards, William J.
System: The Portal to Texas History