Patents by Inventor Joseph Maurice Zaidan

Joseph Maurice Zaidan 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).

  • Coupling for tubular scaffolding
    Patent number: 4077730
    Abstract: A coupling for connecting two scaffolding members. A central link is provided with two pairs of arms, each projecting from the link. Each arm is provided with an aperture. Each pair of arms are adapted to embrace a respective scaffolding member. A respective wedge is adapted to project through the apertures in a respective pair of arms so as to bear upon and retain in position an embraced scaffolding member. Each wedge is provided with a pair of stop members which serve to resist withdrawal of the wedge from the apertures.
    Type: Grant
    Filed: September 5, 1974
    Date of Patent: March 7, 1978
    Inventor: Joseph Maurice Zaidan