Patents by Inventor Paul R. Swartz

Paul R. Swartz 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).

  • Non-woven fibrous glass mat and a method and apparatus for efficiently producing same
    Patent number: 5158824
    Abstract: A non-woven fibrous mat of generally random fiber orientation with built up lines or strips of fiber formed therein directionally oriented to enhance the strength and/or appearance of a mat and a method and apparatus for efficiently producing the same by differentially controlling dewatering in a wet mat process.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: October 27, 1992
    Assignee: Manville Corporation
    Inventors: Frederick A. Gill, Paul R. Van Gunten, Glenda B. Bennett, Paul R. Swartz, Stephen Z. Bodnar