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in subjects: "machines"  
Results: 1 - 5

Washing-Machine.

Description: Patent for washing machine. Objective is to make the machine inexpensive and capable of washing clothes with rapid cycles without any harm to the fabric.
Date: August 5, 1902
Creator: Sparkman, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw-Sharpening Machine.

Description: Patent for improvements in "that class of saw-sharpening machines in which straight-edge-filing devices reciprocally movable are provided and in which ratchet mechanism for feeding the saw is also included" (lines 8-12) including illustrations.
Date: February 18, 1902
Creator: Phelps, Ruben P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Insect-Destroying Machine.

Description: Patent for improvements in insect-destroying machines to remove and destroy the boll-weevil of cotton plants by “gathering the branches of the plant into position to be effectively operated upon by a revolving brush which sweeps the weevils from the plant into a box carried by the machine without injury to the cotton plants.” (Lines 25 -30)
Date: April 22, 1902
Creator: Dyer, Charles V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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