Resource Type

Month

Checking Attachment for Planters (open access)

Checking Attachment for Planters

Patent for a checking attachment for planters that is "easily adjusted to drop seed at various distances" (lines 16-17).
Date: May 27, 1919
Creator: Sprowl, Wiliam L.
System: The Portal to Texas History
Heater. (open access)

Heater.

Patent for a heater adapted for use in an internal combustion engine for the purpose of assisting the vehicle to start in cold weather.
Date: May 27, 1919
Creator: Pirtle, Claiborne Clinton
System: The Portal to Texas History
Ratchet Pipe Cutter (open access)

Ratchet Pipe Cutter

Patent for improvements to a ratchet pipe cutter, which includes an adjustment system to allow for pipes to "approximately quickly adjusted to different sizes of pipe and subsequently automatically moved toward the cutting roller"(lines 11-13).
Date: May 27, 1919
Creator: Hestand, Rue S.
System: The Portal to Texas History