Patents by Inventor Chin-Po Lee

Chin-Po Lee 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).

  • Asphalt road resurfacing machine
    Patent number: 5080524
    Abstract: An asphalt road resurfacing machine includes a heater to soften asphalt pavement by heat, a plurality of scraper assemblies to excavate asphalt pavement, knock excavated asphalt pavement to pieces and mix the pieces evenly, a shaving device to shave the mixed pieces on the road, and a roller to crush and smooth the excavated asphalt pavement to a renovated condition.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: January 14, 1992
    Inventor: Chin-Po Lee