Patents by Inventor Poy Lee

Poy 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).

  • Sure grip winter tire traction device
    Patent number: 4036272
    Abstract: The device is for attachment to a vehicle tire to improve traction on ice or snow. The device is constructed from a circumferential segment of preferably a used tire and includes a plurality of studs extending through the tread area of the tire, one end of each stud for interlocking with the tread of the vehicle tire and the other end of the stud for gripping. In an alternate embodiment, the used tire segment is from a studded snow tire and the studs are maintained in the tire with internally extending studs being added for interlocking with the tread of the vehicle tire.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: July 19, 1977
    Inventor: Poy Lee
  • Double action winter road conditioner apparatus
    Patent number: 3938835
    Abstract: A hopper structure is disclosed for receiving sand from a main supply and selectively depositing the sand adjacent to one or more wheels of a motor vehicle. The sand deposition hopper is preferably arranged forward of the associated wheel and may be operated for traction sanding, braking sanding or the combination thereof.
    Type: Grant
    Filed: September 12, 1974
    Date of Patent: February 17, 1976
    Inventor: Poy Lee
  • Sure grip winter tire traction device
    Patent number: 3937262
    Abstract: The device is for attachment to a vehicle tire to improve traction on ice or snow. The device is constructed from a circumferential segment of preferably a used tire and includes a plurality of studs extending through the tread area of the tire, one end of each stud for interlocking with the tread of the vehicle tire and the other end of the stud for gripping.
    Type: Grant
    Filed: February 6, 1975
    Date of Patent: February 10, 1976
    Inventor: Poy Lee