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Engine-Muffler.
Patent for improvements to engine muffler, including noise reduction without accompanying "back-pressure".
Date:
September 19, 1911
Creator:
Smoot, Lonnie C.
System:
The Portal to Texas History
Guano Distributor
Patent for the distribution of guano for fertilization over a given area of territory.
Date:
July 19, 1912
Creator:
H. D. Pate
System:
The Portal to Texas History