Harrow-Cultivator Attachment (open access)

Harrow-Cultivator Attachment

Patent for a harrow attachment for cultivators. Illustrations included.
Date: July 30, 1912
Creator: Kovar, William L. & Wlha, William
System: The Portal to Texas History
Sweep-Stock Attachment for Plows. (open access)

Sweep-Stock Attachment for Plows.

Patent for a sweep-stock attachment for plows, which can be adjusted to different lengths without using a tool.
Date: July 20, 1909
Creator: Hewitt, John Henry
System: The Portal to Texas History