Patents by Inventor Edwin A. Speaker

Edwin A. Speaker 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).

  • Microscope
    Patent number: D243601
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: March 8, 1977
    Assignee: Bausch & Lomb Incorporated
    Inventors: Arthur B. Leeming, Sr., Edwin A. Speaker
  • Microscope stand
    Patent number: D253059
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: October 2, 1979
    Inventor: Edwin A. Speaker
  • Magnifier
    Patent number: D257044
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: September 23, 1980
    Assignee: Bausch & Lomb Incorporated
    Inventor: Edwin A. Speaker
  • Microscope stand or similar article
    Patent number: D261397
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: October 20, 1981
    Assignee: Bausch & Lomb Incorporated
    Inventor: Edwin A. Speaker
  • Ophthalmic instrument
    Patent number: D271399
    Type: Grant
    Filed: October 26, 1981
    Date of Patent: November 15, 1983
    Assignee: Bausch & Lomb Incorporated
    Inventors: Paul A. Jordan, Edwin A. Speaker
  • Keratometer or the like
    Patent number: D293818
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: January 19, 1988
    Assignee: Bausch & Lomb Incorporated
    Inventor: Edwin A. Speaker
  • Slit lamp for examining the structure of a patient's eye
    Patent number: D295556
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: May 3, 1988
    Assignee: Cambridge Instruments Inc.
    Inventor: Edwin A. Speaker
  • Illuminated magnifier
    Patent number: D305664
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: January 23, 1990
    Assignee: Bausch & Lomb Incorporated
    Inventor: Edwin A. Speaker
  • Contact lens dispenser
    Patent number: D308146
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: May 29, 1990
    Inventor: Edwin A. Speaker
  • Sunglasses or the like
    Patent number: D325210
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: April 7, 1992
    Assignee: Bausch & Lomb Incorporated
    Inventor: Edwin A. Speaker