UNT Libraries Government Documents Department - 4 Matching Results
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- Coin-Controlled Vending-Machine
- Patent for a pencil vending machine that is coin-operated, with illustrations.
- Process of Desulfurizing Oil or Distillate
- Patent for a process of desulfurizing oil or distillate.
- Spring-Washer for Piano-Flanges.
- Patent for a spring washer for piano flanges that prevents the flanges from becoming loose over time.
- Fiber-Separating Machine.
- Patent for a new and improved fiber separating machine "in which the entire cleaning or separating of the fibers from the plant stock can be done in one operation" (lines 10-13).