Patents by Inventor Chee-Kong Mak

Chee-Kong Mak 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).

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Patent number: D290268

Type: Grant

Filed: October 9, 1984

Date of Patent: June 9, 1987

Inventors: Chiu-Hun Tsang, Chee-Kong Mak

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