Patents by Inventor I. Murray Jacobs

I. Murray Jacobs 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).

  • Method of making a disposable dental tray or the like by combining dissimilar foams
    Patent number: 4173505
    Abstract: Disclosed is a method of manufacturing a laminated plastic article such as a dental tray or the like having a hydrophilic foam formed and heat bonded to a polyethylene foam substrate. The dental tray has upper and lower portions hinged together, and contoured to properly accommodate the particular tooth structure of the posterior and anterior teeth and the general geometry of the upper and lower jaws. In a vacuum forming operation a laminated sheet is formed, the tray is appropriately contoured and the tray cut or blanked from the sheet.
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: November 6, 1979
    Assignee: Sybron Corporation
    Inventor: I. Murray Jacobs