Patents by Inventor Brian Magrobi

Brian Magrobi 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: 4683735
    Abstract: A lockable closure for the exhaust pipe of an internal combustion engine is provided. The exhaust pipe closure finds particular application as an immobilization and theft prevention device on motor vehicles and comprises a lockable cap adapted to fit onto an extender tube (or the exhaust pipe, which has been suitably modified). The cap includes a pair of jaws which may be urged outwardly by means of a plunger to engage a locating formation in either the exhaust pipe or the extender tube.
    Type: Grant
    Filed: February 25, 1986
    Date of Patent: August 4, 1987
    Assignee: Johan C. Genis
    Inventor: Brian Magrobi