Patents by Inventor Richard W. Canavan, III

Richard W. Canavan, III 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).

  • Pair of spectacles
    Patent number: D243523
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: March 1, 1977
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D243687
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: March 15, 1977
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D246654
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: December 13, 1977
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D246720
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: December 20, 1977
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D246721
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: December 20, 1977
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Spectacles frame front
    Patent number: D246903
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: January 10, 1978
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D252517
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: July 31, 1979
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D253477
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: November 20, 1979
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D253478
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: November 20, 1979
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D253481
    Type: Grant
    Filed: April 27, 1978
    Date of Patent: November 20, 1979
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D255802
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: July 8, 1980
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D257985
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: January 20, 1981
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III
  • Pair of spectacles
    Patent number: D258448
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: March 3, 1981
    Assignee: American Optical Corporation
    Inventor: Richard W. Canavan, III