Patents Assigned to Keith James Ross
  • Patent number: 5560234
    Abstract: A bolt-operated, vertical-lift lever lock having a lockcase or lock base and a lock cap, provided with a lever housing attached to at least one of the lockcase or lock base and lock cap and, wherein the lever housing is so constructed that the, or each, lever may slide within the lever housing and be protected against unauthorized lateral or longitudinal forces applied to the bolt.
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: October 1, 1996
    Assignee: Keith James Ross
    Inventors: Keith J. Ross, Geoffrey H. Ross, Beverley A. Ross