Patents by Inventor Cheuk-Yiu Man

Cheuk-Yiu Man 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).

  • Paper recycle bundle envelope
    Publication number: 20020043553
    Abstract: A flat stackable flat folding paper recycle envelope including an enfolding draw string closeable about the envelope. The envelope is combined with a support box to better enable loading. The box provides for a plurality of envelopes.
    Type: Application
    Filed: June 25, 2001
    Publication date: April 18, 2002
    Inventor: Cheuk-Yiu Man