Cattle Guard (open access)

Cattle Guard

Patent for a cattle guard that will turn horses, cattle, mules, etc.
Date: December 3, 1901
Creator: Arnold, Eliphalet Lester
System: The Portal to Texas History
Mail Bag Fastening. (open access)

Mail Bag Fastening.

Patent for a new and improved mail-bag fastener. This design "is to provide a fastening for mail-bags, which may be quickly manipulated to fasten or unfasten the bag. To this end the invention consists, essentially, of a slide formed with key-hole slots and carried by an overlapping flap, the said slide being adapted to engaged headed studs that are secured to one side of the main portion of the pouch and passed through apertures formed in the other side of the pouch" (lines 7-16).
Date: September 3, 1889
Creator: Roosevelt, James A.
System: The Portal to Texas History
Well-Auger. (open access)

Well-Auger.

Patent for a well-boring auger is designed to improve the drilling process by multi-functional features of the auger that can be placed inside of a well-casing to cut a hole or can be used itself to cut through the casing.
Date: November 3, 1903
Creator: Hutchins, Charles N.
System: The Portal to Texas History