Patents by Inventor Bernard Loewenthal

Bernard Loewenthal 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).

  • Periodontal probe
    Patent number: 5096420
    Abstract: A dental probe is disclosed for use in detecting periodontal disease and gingivitis. The probe includes an elongate member having a distal end with a tapered tip thereon; the distal end has a first portion indicating a non-diseased condition, a second portion indicating a moderately-diseased condition, and a third portion indicating a diseased condition where surgery is required, the first portion being disposed between the tip of the distal end and the second portion, the second portion being disposed between the first portion and the third portion, the third portion being disposed adjacent to the second portion. There is a narrow line defining a boundary between the areas, a first area indicating a diseased condition likely not requiring surgery located between the first portion and the narrow line and a second area indicating a diseased condition likely to require surgery located between the narrow line and the third portion.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: March 17, 1992
    Inventor: Bernard Loewenthal
  • Dental probe
    Patent number: 4886454
    Abstract: A dental probe is disclosed for use in detecting periodontal disease and gingivitis. The probe includes an elongage member having a distal end with the double-tapered flexible plastic tip thereon; the distal end has a first portion indicating a non-diseased condition and a second portion indicating a diseased condition, the first portion being disposed between the tip of the distal end and the second portion, the second portion being disposed adjacent to the first portion. The invention also includes a method using the dental probe for diagnosing periodontal disease and gingivitis.
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: December 12, 1989
    Assignee: Bernard Loewenthal
    Inventors: Bernard Loewenthal, G. Lawrence Thatcher
  • Dental probe
    Patent number: 4768952
    Abstract: A dental probe is disclosed for use in detecting periodontal disease and gingivitis. The probe includes an elongate member having a distal end with a flexible plastic tip thereon; the distal end has first portion indicating a non-diseased condition and a second portion indicating a diseased condition, the first portion being disposed between the tip of the distal end and the second portion, the second portion being disposed adjacent to the first portion. The invention also includes a method using the dental probe for diagnosing periodontal disease and gingivitis.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: September 6, 1988
    Inventor: Bernard Loewenthal