4 Matching Results
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Improvement in Cotton-Cultivators.
Patent for a new improvement for a cotton-cultivator with different tools and connections, including instructions and illustrations.
Date:
May 6, 1873
Creator:
Bates, Finis L.
System:
The Portal to Texas History
Improvement in Turpentine-Stills.
Patent for improvement in turpentine distillation and purification with bleaching and refinement.
Date:
May 6, 1873
Creator:
Lee, Archibald K.
System:
The Portal to Texas History
Improvement in Teeth for Cotton-Gin Saws.
Patent for new useful improvement of the cotton-gin saws that consists of the dress or shape of the teeth, includes instructions and illustrations.
Date:
May 6, 1873
Creator:
Oglesby, Thomas B.
System:
The Portal to Texas History
Improvement in Excavators.
Patent for improvement in earth excavators combining a plow, rotating cylinder, and helical plate.
Date:
May 6, 1873
Creator:
Smith, Amroy B.
System:
The Portal to Texas History