Subsoil Attachment for Plows. (open access)

Subsoil Attachment for Plows.

Patent for a subsoil attachment for plows in which the attachment can be “held fixedly relative to the plow so as to be maintained constantly at the desired depth without pushing upwardly under the resistance offered by the soil. This attachment can also be adjusted easily to plow to the desired depths.” (P. 1, lines 15-22.) Illustration is included.
Date: October 14, 1913
Creator: Mathis, William R.
System: The Portal to Texas History
Automobile Signal (open access)

Automobile Signal

Patent for Automobile Signal
Date: November 14, 1916
Creator: James, Daniel V.
System: The Portal to Texas History
Feeding Device for Hay-Presses. (open access)

Feeding Device for Hay-Presses.

Patent for "certain new and useful Improvements in Feeding Devices for Hay-Presses" (lines 5-6), including specifications and illustrations.
Date: December 14, 1915
Creator: Sandy, Sam S.
System: The Portal to Texas History