Patents by Inventor Albert Lord

Albert Lord 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).

  • Differential interference contrast microscope using non-uniformly deformed plastic birefringent components
    Patent number: 4795246
    Abstract: In a differential interference contrast microscope, including a beam splitter and a compensator beam splitter, each of the beam splitters and the compensator comprise at least one non-uniformly deformed plastic birefringent component exhibiting linearly graded optical retardation between the ordinary and the extraordinary transmitted rays in one direction across the aperture and constant retardation in the orthogonal direction. The splitter and compensator may comprise a single unit for a reflected light microscope.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: January 3, 1989
    Inventor: Albert Lord