Patents by Inventor Robert G. Jamison, Jr.

Robert G. Jamison, Jr. 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).

  • Mouth speculum
    Patent number: 5199418
    Abstract: A mouth speculum includes a first elongated hollow tubular member connected generally perpendicularly to a second elongated hollow tubular member to form a general T-shaped member. The second hollow tubular member has an opening formed in a rearward end to receive a person's thumb to support the mouth speculum thereon. In the preferred embodiment of the invention the first elongated member has a window formed therein with a light bulb mounted behind the window to provide illumination.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: April 6, 1993
    Inventors: Robert G. Jamison, Jr., Louis D. Jeffrey