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Ironing-Machine
Patent for an ironing machine that has an adjustable ironing board.
Date:
June 27, 1911
Creator:
Green, James J.
System:
The Portal to Texas History
Spark-Plug
Patent for a spark plug that has a cooling method for keeping the porcelain section from cracking and a better way of keeping it clean.
Date:
June 27, 1911
Creator:
Harpst, Fred E.
System:
The Portal to Texas History