Patent for a rotary plow. "It pertains to improvements in rotary plows" (p. 4). There is a detailed illustration of the rotary plow. Each component is labeled and it is described thoroughly in the text.
Patent for a metal guard worn around the ankle. The guard maintains the shape of the trousers when worn and keeps the material from coming in contact with the wearer's legs.
This dialog allows you to filter your current search.
Each of the Decades listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the Years listed note their name and the number of records that will be limited down to if you choose that option.