Patents by Inventor Erik I. Lindblom

Erik I. Lindblom 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).

  • Guarded locking device
    Patent number: 4322102
    Abstract: A guard for protecting the shackle of a padlock used for locking a locking device in the engaged position comprises a U-shaped member having plate limbs, the shackle being received in the space between the limbs to be protected by the limbs against cutting by means of a tool such as a saw, a file or a bolt clipper.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: March 30, 1982
    Inventor: Erik I. Lindblom