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Sanitary Cover-Pad for Mattresses.

Description: Patent for an improvement in sanitary pad covers for mattresses that is washable and contains pocket flaps underneath that can hold a sheet of waterproof material to protect the mattress beneath.
Date: May 11, 1920
Creator: Callahan, John William & Callahan, Maud B.

Silo-Door.

Description: Patent for a door for silos that is inexpensive and "comprises part of a ladder includes in a chute held in a position upon the silo by the door." (lines 16-18)
Date: May 25, 1920
Creator: Atkins, Thomas, B.
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