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Preserved Wood and Process of Making Same.
Patent for a method of injecting preservative materials, in a manner that will reduce the cost of the treatment without greatly reducing the preservative action.
Date:
March 19, 1912
Creator:
Ellis, Carleton
System:
The Portal to Texas History
Portable Sawmill.
Patent for a portable sawmill, which can be put on an ordinary wagon and pulled out to where timber is being cut.
Date:
March 15, 1910
Creator:
Bryan, Gordon
System:
The Portal to Texas History