Patents Assigned to Midwest Acounst-A-Fiber
  • Sound absorption panel
    Patent number: 4531609
    Abstract: Two pelts of fiberglass are bonded together to form a sound absorption panel. One pelt is deformed to a sawtooth shape and the teeth of the sawtooth pelts are bonded into grooves in the other pelt which is essentially flat except for the grooves.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: July 30, 1985
    Assignee: Midwest Acounst-A-Fiber
    Inventors: Jerry M. Wolf, Wilbur D. Holben