Patents by Inventor Bernard Ferstenfeld

Bernard Ferstenfeld 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).

  • Adjustable sweatband for hat
    Patent number: 4642817
    Abstract: A hat is provided having a sweatband which is discontinuous over a portion of the crown and has overlapping sweatband extensions with fastening means for adjusting the size of the hat. A stiff plastic strip is provided in this area on the crown to keep it from gathering.
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: February 17, 1987
    Assignee: Fersten Headwear, Inc.
    Inventor: Bernard Ferstenfeld