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Portable Elevator (open access)

Portable Elevator

Patent for improvements in portable elevator devices. It is a cheaper and more efficient alternative to other portable elevator devices, designed with the purpose of unloading trucks.
Date: April 30, 1919
Creator: Kees, Homer Robert & Thomas, Elbert Franklin
System: The Portal to Texas History
Attachment for Headers (open access)

Attachment for Headers

Patent for improving attachments of headers to convert horse-drawn headers into motor headers.
Date: December 2, 1919
Creator: Thomas, Samuel S. & Thomas, Elbert F.
System: The Portal to Texas History