Patents by Inventor Patrick G. Lasswell

Patrick G. Lasswell 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).

  • Method and apparatus for increasing the durability and yield of thin film photovoltaic devices
    Patent number: 4640002
    Abstract: Thin film photovoltaic cells having a pair of semiconductor layers between an opaque and a transparent electrical contact are manufactured in a method which includes the step of scanning one of the semiconductor layers to determine the location of any possible shorting defect. Upon the detection of such defect, the defect is eliminated to increase the durability and yield of the photovoltaic device.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: February 3, 1987
    Assignee: The University of Delaware
    Inventors: James E. Phillips, Patrick G. Lasswell