Patents by Inventor John Siemienowicz

John Siemienowicz 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: 20050269154
    Abstract: This invention relates an engineered fall-arrest mechanism that stops the free fall of up to two workers simultaneously. The invention is depicted in described in three preferred embodiments.
    Type: Application
    Filed: May 26, 2005
    Publication date: December 8, 2005
    Inventor: John Siemienowicz