Spark-Arrester. (open access)

Spark-Arrester.

Patent for a spark aresster that is designed to prevent the discharge of sparks from a flue, particularly flues for small stoves used in army tents.
Date: January 27, 1920
Creator: Ashby, Bert A.
System: The Portal to Texas History
Packet-Holder. (open access)

Packet-Holder.

Patent for a packet holder used to wrap and tie a bundle of mail or letters made using a cord and clasp plate.
Date: January 27, 1920
Creator: Ashby, Bert
System: The Portal to Texas History
Piston Packing (open access)

Piston Packing

Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.
Date: September 27, 1921
Creator: Williams, Nolan S.
System: The Portal to Texas History