Patents Assigned to Yen Wang
  • Surgical support
    Patent number: 4105025
    Abstract: A supportive wrapping for a surgical support or orthopedic cast is produced by providing a bandage material which is impregnated or coated with a molten polyurethane polymer that is crystallizable in a predetermined, delayed time period at room temperatures or at temperatures tolerable to human skin and permitting the polyurethane polymer to crystallize on the bandage material to form a strong, supportive, self adhered wrapping while standing at or cooling to room temperature.
    Type: Grant
    Filed: November 12, 1976
    Date of Patent: August 8, 1978
    Assignee: Yen Wang
    Inventors: Yen Wang, Wen-Hsuan Chang