Patents by Inventor Daniel T. Langdon

Daniel T. Langdon 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).

  • Screening apparatus with trailing squeegee and method of screening
    Patent number: 6659002
    Abstract: Screening of a workpiece utilizing a screening apparatus which includes a paste dispensing apparatus and a trailing squeegee assembly in close proximity to the paste dispensing apparatus. When the screening apparatus is operable, the squeegee assembly is in contact with the workpiece at the same time as a paste is dispensed from the paste dispensing apparatus.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: December 9, 2003
    Assignee: International Business Machines Corporation
    Inventors: Daniel T. Langdon, Keith C. O'Neil, Kurt A. Smith, Randall J. Werner, Ralph R. Comulada, Jr.
  • Screening apparatus with trailing squeegee and method of screening
    Publication number: 20030079627
    Abstract: Screening of a workpiece utilizing a screening apparatus which includes a paste dispensing apparatus and a trailing squeegee assembly in close proximity to the paste dispensing apparatus. When the screening apparatus is operable, the squeegee assembly is in contact with the workpiece at the same time as a paste is dispensed from the paste dispensing apparatus.
    Type: Application
    Filed: October 31, 2001
    Publication date: May 1, 2003
    Applicant: International Business Machines Corporation
    Inventors: Daniel T. Langdon, Keith C. O'Neil, Kurt A. Smith, Randall J. Werner, Ralph R. Comulada