Patents by Inventor Penelope J. Ferre

Penelope J. Ferre 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).

  • Patent number: 4824788
    Abstract: The humidity chamber for immunoperoxidase staining comprises a rectangular chamber with a tight removable or opening lid, which encloses a grid positioned a fixed distance from the chamber bottom on which grid the glass slides holding specimens may be positioned without tilting. The grid is 40-90 percent open so as to permit ventilation between bottom and upper positions of the chamber so as to maintain constant humidity.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: April 25, 1989
    Inventor: Penelope J. Ferre