Patents by Inventor Craig L. Jacobson

Craig L. Jacobson 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).

  • Substantially constant force coil spring usable in extraoral orthodontic appliance
    Patent number: 5620320
    Abstract: An orthodontic coil spring to be used within an extraoral orthodontic appliance where the coil spring is made of a superelastic, shape-memory alloy wire. The coil spring is to impart a substantially constant force over the entire range of deflection. The level of force is to be between 375 to 800 grams.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: April 15, 1997
    Inventors: Steven O. Luse, Craig L. Jacobson