Patents by Inventor Ron Geistfeld

Ron Geistfeld 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).

  • Oral appliance for removing aerosols produced during dentistry
    Patent number: 5127411
    Abstract: An apparatus to aid in isolating a medical practitioner from infectious materials found in a patient. The apparatus includes a collector for providing a vacuum barrier around the mouth of a patient to trap aerosols and the like emanating from the patient during a dental procedure. The collector is flow connected to a vacuum source for drawing a vacuum, and gases drawn in by the source are passed through a filter. The collector is ring-shaped to surround the mouth and to allow the practitioner to see into the site of the procedure and is disposable after each operation.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: July 7, 1992
    Inventors: Arnold Schoolman, Ron Geistfeld