Patents by Inventor Douglas Charles Bisson

Douglas Charles Bisson 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).

  • Security cover for a cylinder lock
    Patent number: 8459072
    Abstract: There is provided a security cover for a cylinder lock. The security cover may comprise a top wall and a peripheral side wall and may be adapted to be secured over an end of the lock and may include a key slot extending through the top wall and positioned to align with the lock cylinder when the cover is secured over the lock. There is also provided a key for use with the cover and a method for securing a cylinder lock.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: June 11, 2013
    Assignee: Shred-It International Inc.
    Inventors: Douglas Charles Bisson, Todd Arnold Wayne Fielding
  • SECURITY COVER FOR A CYLINDER LOCK
    Publication number: 20100162778
    Abstract: There is provided a security cover for a cylinder lock. The security cover may comprise a top wall and a peripheral side wall and may be adapted to be secured over an end of the lock and may include a key slot extending through the top wall and positioned to align with the lock cylinder when the cover is secured over the lock. There is also provided a key for use with the cover and a method for securing a cylinder lock.
    Type: Application
    Filed: August 26, 2009
    Publication date: July 1, 2010
    Applicant: SHRED-IT INTERNATIONAL INC.
    Inventors: Douglas Charles Bisson, Todd Arnold Wayne Fielding