Patents by Inventor Richard Francis Osborne

Richard Francis Osborne 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).

  • Patent number: 4069080
    Abstract: A cylindrical lens system is used to focus a laser beam into a line upon thermoplastic sheets in their area of contact thereby linearly welding the sheets together. By this method flattened thermoplastic tubing may be converted into bags with either straight or curved linear seals.
    Type: Grant
    Filed: June 11, 1976
    Date of Patent: January 17, 1978
    Assignee: W. R. Grace & Co.
    Inventor: Richard Francis Osborne