Insecticide-Holder. (open access)

Insecticide-Holder.

Patent for an insecticide holder having improved and "novel means for discharging the insecticide" (lines 10-11).
Date: May 3, 1921
Creator: Irwin, Herbert G.
System: The Portal to Texas History
Well-Casing Extractor (open access)

Well-Casing Extractor

Patent for a well-casing extractor that provides gripping rollers for engaging the casing, provides a supporting frame for the movable parts of the apparatus, and provides the means to drive the rollers by power or hand.
Date: August 16, 1921
Creator: {Price, Filmore M.}
System: The Portal to Texas History
Trap. (open access)

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
Insecticide-Dispensing Receptacle. (open access)

Insecticide-Dispensing Receptacle.

Patent for an improved insecticide dispensing receptacle, made cheaply enough it can be disposed of after use.
Date: March 1, 1921
Creator: Irwin, Herbert G.
System: The Portal to Texas History