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Cold-Iron Straightener.

Description: Patent for a cold iron straightener for straightening wagon axles or pipes while they are still on the vehicle, which allows for more forceful bending than previous devices and restoration of the parts to their natural position.
Date: May 14, 1907
Creator: Keith, John David
Item Type: Refine your search to only Patent

Attachment for Planters

Description: Patent for attachment for planters, provides a simple, inexpensive, easily-applied, and effectively operating attachmentc for cotton, corn, or other seed-planting machines in which is included a truck or a carriage whereby a sweep-plow can be connected with the planter truck or carriage for laying out a furrow and covering the seed (Johnson, 1902).
Date: June 14, 1909
Creator: Johnson, Major
Item Type: Refine your search to only Patent
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