Description: Patent for a new and improved door check. This design "consists in a disk pivoted on a plate and provided with a notch for receiving the corner of the door, and with a series of teeth with which a pawl engages for locking the disk in place after it has been adjusted" (lines 11-15).
Date: April 14, 1885
Creator: Callaway, James William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department