Patents by Inventor Calvin F. Tom

Calvin F. Tom 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).

  • Nose bridge pad
    Patent number: 5196871
    Abstract: In combination, an eyeglass frame with a padded nose bridge region, and also the pad itself with an adhesive coating for attaching to the nose bridge portion of eyeglass frames, to make eyeglasses more comfortable in use, preventing the annoyance of the glasses slipping down the nose, and prevent discomfort to the user's nose and cheeks which would otherwise occur if the glasses are heavy or slightly out of fit.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: March 23, 1993
    Inventor: Calvin F. Tom