Slide-Scraper (open access)

Slide-Scraper

Patent for a slide scraper. The objective of this invention is to create a more efficient slide scraper that allows the attention of the operator to remain on the draft horse and the work.
Date: November 13, 1917
Creator: Elrod, Albert K.
System: The Portal to Texas History
Support for Line-Wires. (open access)

Support for Line-Wires.

Patent for support for line wires that can be quickly connected to the line wire and at the same time preventing the line wire from being bent to a large extent.
Date: November 20, 1917
Creator: Head, Vernon
System: The Portal to Texas History
Check-Protector. (open access)

Check-Protector.

Patent for check-protectors that prevent unauthorized tampering with perforating rollers with springs and jaws.
Date: March 13, 1917
Creator: McCombs, Charles Cleveland
System: The Portal to Texas History