Patents by Inventor Amedeo Donazzan

Amedeo Donazzan 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).

  • Temperature stabilized microwave cavities
    Patent number: 4454489
    Abstract: The description covers temperature stabilized resonant microwave cavities not requiring hermetic sealing and easy to be frequency adjusted. Essentially, they consist of a pure quartz body with a metallized surface, except for small superficial areas used for the couplings.
    Type: Grant
    Filed: July 2, 1981
    Date of Patent: June 12, 1984
    Assignee: TELETTRA - Telefonia Elettronica e Radio S.p.A.
    Inventors: Amedeo Donazzan, Enzo Pome