deaths
Eli Whitney Blake, American inventor, invented the Mortise lock (born 1795)

Related Wikipedia articles
Eli Whitney Blake
American inventor
Eli Whitney Blake, Sr. was an American inventor, best known for his mortise lock and stone-crushing machine, the latter of which earned him a place into the National Inventors Hall of Fame.Source: Wikipedia (CC BY-SA)
Mortise lock
Lock with mortise cut into doorjamb
A mortise lock is a lock that requires a pocket—the mortise—to be cut into the edge of the door or piece of furniture into which the lock is to be fitted. Mortise lock describes only a method of fitting the lock, and says nothing about the quality or key mechanism.Source: Wikipedia (CC BY-SA)