Patents by Inventor Barton M. Levoy

Barton M. Levoy 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).

  • Eyeglass frame hinge
    Patent number: 4561735
    Abstract: A hinge for the temple piece of an eyeglass frame that uses two hinge members that assemble with each from the side, thus facilitating achieving an interfitting relation with each other, and in which an extension of the stationary hinge member projects into a notch of the pivotally movable hinge member to contribute to the strength of the hinge and also functioning as a stop for the pivotal traverse thereof.
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: December 31, 1985
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D275492
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: September 11, 1984
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D275493
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: September 11, 1984
    Inventor: Barton M. Levoy
  • Eyeglass frame
    Patent number: D277011
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: January 1, 1985
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D280830
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: October 1, 1985
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D280831
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: October 1, 1985
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D281074
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: October 22, 1985
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D283514
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: April 22, 1986
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D285088
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: August 12, 1986
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D285091
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: August 12, 1986
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D290465
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: June 23, 1987
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D290466
    Type: Grant
    Filed: November 15, 1985
    Date of Patent: June 23, 1987
    Inventor: Barton M. Levoy
  • Eyeglasses
    Patent number: D290614
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: June 30, 1987
    Inventor: Barton M. Levoy