Writing Instrument. (open access)

Writing Instrument.

Patent for a writing instrument for writing on stacks of carbon paper, which need heavy pressure to show on all the pages.
Date: November 2, 1909
Creator: Dyches, John W.
System: The Portal to Texas History
Ground-Mulshing and Insect-Displacing Drag. (open access)

Ground-Mulshing and Insect-Displacing Drag.

Patent for a device to mulch the ground and kill insects, especially for cotton plants. The device is meant to drag behind a cultivator.
Date: November 2, 1920
Creator: Rosenberg, Oliver H.
System: The Portal to Texas History