Resource Type

Combined Door-Bell and Mail-Receiver (open access)

Combined Door-Bell and Mail-Receiver

Patent for a combined door-bell and mail-receiver "devices for receiving and holding mail" (lines 9-10).
Date: September 21, 1915
Creator: McDonald, James A.
System: The Portal to Texas History
Apparatus For Protecting And Preserving Poles And The Like (open access)

Apparatus For Protecting And Preserving Poles And The Like

Patent for add-on device to shield existing electric posts and poles from decay over time and weather damage.
Date: September 21, 1920
Creator: Lewis, Thomas E.
System: The Portal to Texas History