Month

Language

Oil Burner (open access)

Oil Burner

Patent for an improvement on Oil Burners.
Date: April 9, 1902
Creator: Robertson, George
System: The Portal to Texas History
Door Stop and Lock. (open access)

Door Stop and Lock.

Patent for a door lock and door stop that is operated from the doorknob by having a rod with a bolted door stop box on the bottom inserted into the door frame.
Date: April 9, 1907
Creator: Tatum, Cicero James
System: The Portal to Texas History