Patents by Inventor Kevin P. Leadon

Kevin P. Leadon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6725697
    Abstract: A keyway cylinder plug removal tool specifically configured for the removal of a lock core or cylinder plug from a safety deposit box. The tool includes a shaft received within a hole saw housing, the hole saw housing including a plurality of teeth, positioned about a cutting cylinder. The hole saw housing includes a shank. The shaft including a keyway end and a free end. The free end fits into the shank of the hole saw housing and a keyway tab attaches to the keyway end of the shaft. The keyway tab inserts into a keyway of a cylinder plug. Once the cylinder plug is removed, the latch bolt of the lock can be retracted, to open the safety deposit box. The keyway tab is typically flat and free of cut indentations or “keying,” but is generically insertable into most manufactures' proprietary keyway shapes. The keyway tab attached to the keyway end of the shaft. A shaft spring is received onto the shaft and abuts against the holesaw housing.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: April 27, 2004
    Inventor: Kevin P. Leadon