Mail Carrier or Container. (open access)

Mail Carrier or Container.

Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.
Date: April 27, 1920
Creator: Blocker, Leck H.
System: The Portal to Texas History
Saw-Filing Machine. (open access)

Saw-Filing Machine.

Patent for a saw filing machine that keeps the teeth of saws properly aligned, while they are being sharpened.
Date: February 27, 1912
Creator: Haltom, Samuel
System: The Portal to Texas History