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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.
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
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