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Screen Attachment for Suction or Exhaust Fans.
Patent for a screen attachment that protects fan blades from damaging and being damaged by debris. Includes instructions and illustrations.
Date:
June 29, 1897
Creator:
Davis, Micajah R.
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for improvement in car-couplings, including description and illustrations.
Date:
June 29, 1875
Creator:
Ramage, Charles E.
System:
The Portal to Texas History