Patents by Inventor Sergio Zeni

Sergio Zeni 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).

  • Portable spectrophotometer
    Patent number: D307284
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: April 17, 1990
    Assignee: Maxmeyer-Duco MM.D. S.p.A.
    Inventors: Marco Del Corno, Sergio Zeni