Patents by Inventor Diana Sidrak

Diana Sidrak 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).

  • Publication number: 20110042971
    Abstract: An electronic door chain which has a receiving hole drilled into the slotted keeper for a electric solenoid shaft to be inserted into which will prevent sliding of the chain out of the groove unless the solenoid is released by entering a pre-programmed access number on the access keypad in which case the solenoid shaft is retracted in response to the access keypad output. Concurrently, the solenoid shaft will retract to the open position and a short beep will be generated to announce to anyone within hearing distance that the electronic door chain is disengaged.
    Type: Application
    Filed: August 23, 2009
    Publication date: February 24, 2011
    Applicant: MG&B Engineering Inc
    Inventors: George Youssef, Diana Sidrak