Patents by Inventor by Warren C. Cook, executor

by Warren C. Cook, executor 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).

  • Acoustic absorber and method for absorbing sound
    Patent number: 4152474
    Abstract: An acoustic absorber and a method for absorbing sound utilize a substrate having a plurality of openings therethrough. An organic polymer coating covers the substrate and partially fills the openings in the substrate to form an acoustic absorber having a porosity not greater than 60 CFM/ft.sup.2.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: May 1, 1979
    Assignee: Chemical Fabrics Corporation
    Inventors: John R. Cook, deceased, by Warren C. Cook, executor, BY First Vermont Bank and Trust Co., executor