Patents by Inventor Daniel P. Doublet

Daniel P. Doublet 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).

  • Right angle measuring device
    Patent number: 6978553
    Abstract: The invention concerns a device comprising a flexible and non-elastic yarn divided by at least three retaining means fixed to predetermined locations and at least three fixing means adapted to support the retaining means and whereof the diameter of each fixing means is substantially equal to the internal diameter of the retaining means so as to position the yard along a direction perpendicular to that of the axis of the corresponding fixing means.
    Type: Grant
    Filed: April 27, 2002
    Date of Patent: December 27, 2005
    Inventor: Daniel P. Doublet