Account-Book. (open access)

Account-Book.

Patent for a new and improved account book that is arranged to improve accuracy of record-keeping and facilitate the referencing of different accounts.
Date: June 13, 1916
Creator: Zimmerman, Charles Levy
System: The Portal to Texas History
Floor cleaner. (open access)

Floor cleaner.

Patent for a floor cleaner that cleans better.
Date: June 20, 1916
Creator: Crawford, Hezikiah H.
System: The Portal to Texas History
Safety Clamp For Starting Boxes. (open access)

Safety Clamp For Starting Boxes.

Patent for a safety clamp for locking the handles of starting boxes with slotting to receive a padlock.
Date: June 20, 1916
Creator: Henry, Ben B.
System: The Portal to Texas History