Patents by Inventor Daniele Senatore

Daniele Senatore 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).

  • Adjustable transparency spectacles
    Patent number: 5067795
    Abstract: Eyewear has variable transparency provided by a lens made of a non-diffusing dichroic liquid crystal cell with nematic-cholesteric phase change. A voltage source supplies an adjustable voltage to the liquid crystal cell; adjustment of the voltage to change the transparency of the lens is effected by a photocell which senses ambient light, or by manual control, or both.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: November 26, 1991
    Assignee: Gianni Bulgari S.p.A.
    Inventor: Daniele Senatore