1844 23 Oct. 1/7 P. Hazard deposits models of his patent window locks.
1969 17 May 5/5 (advt.) Guard against burglars! Window lock keeps windows securely locked in position—even when open!
2008 K. Robison v. 62 Window locks can be easily manipulated with simple items such as clothes hangers, saw blades and screw drivers.