Patents by Inventor Jerry T. Huang

Jerry T. Huang 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).

  • Dental prophylaxis angle
    Patent number: 5020994
    Abstract: A dental prophylaxis angle formed of molded plastic parts is provided, which includes two accurately supported rotors extending at right angles to each other in an easily manufactured construction. The prophylaxis angle includes an elbow-shaped forward housing member (54, FIG. 2) which surrounds the output rotor (18) and the forward portion of the input rotor (14), and a rearward housing member (60) which snaps into arrangement with the rear of the forward housing member. The rearward housing member has a rotor-engaging shoulder (72) that can abut the shoulder (44) at the rear end of the input rotor forward portion.
    Type: Grant
    Filed: February 9, 1990
    Date of Patent: June 4, 1991
    Inventor: Jerry T. Huang