Patents by Inventor Robert B. Harrison

Robert B. Harrison 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).

  • Sliding door lock with a key removable core
    Patent number: 6035673
    Abstract: A sliding door lock assembly having a lock housing and a removable core is disclosed. The removable core includes a key slot configured to receive an operating key and a control key. The control key is positionable within the key slot and actuable to facilitate removal of the removable core from the lock housing. The operating key positionable within the key slot and actuable to retain the removable core at a position fully inserted within the lock housing.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: March 14, 2000
    Assignee: Kenstan Lock Company
    Inventor: Robert B. Harrison
  • Paper towel dispenser
    Patent number: D336582
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: June 22, 1993
    Inventor: Robert B. Harrison