Patents by Inventor Henry Machal

Henry Machal 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).

  • Safety grab protection device
    Patent number: 4881622
    Abstract: A safety grab protection device that both operates bi-directionally for connecting a safety belt lanyard to a vertical safety rope and has contoured cam surfaces that engage the safety rope in such a way that the shape of the braking surfaces engage the rope without damaging it.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: November 21, 1989
    Inventor: Henry Machal