Patents by Inventor Hoang T. Mai

Hoang T. Mai 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).

  • Vented hood with filter
    Patent number: 5816906
    Abstract: A hood for placement on a table or work station which covers the hands of the worker and customer who is having a manicure or who is having artificial fingernails attached or replaced.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: October 6, 1998
    Inventor: Hoang T. Mai