Patents by Inventor Laurence G. Nelson

Laurence G. Nelson 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).

  • Environmentally and wear protected glass substrate thin film thermal printheads
    Patent number: 4038517
    Abstract: Glass-substrate thin film thermal printheads are protected from both chemical contamination and the mechanical wear by a coating comprising aluminum oxide (Al.sub.2 O.sub.3) over silicon monoxide (SiO) disposed on the printhead.
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: July 26, 1977
    Assignee: Rockwell International Corporation
    Inventor: Laurence G. Nelson